[CHORE] Add SPDX header for files.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

95 files changed, 95 insertions, 0 deletions

diff --git a/src/boot/BootKit/BootKit.h b/src/boot/BootKit/BootKit.h
index 980588e5..637facd2 100644
--- a/src/boot/BootKit/BootKit.h
+++ b/src/boot/BootKit/BootKit.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/modules/BootNet/BootNet.cpp b/src/boot/modules/BootNet/BootNet.cpp
index af9ef70a..e31d9460 100644
--- a/src/boot/modules/BootNet/BootNet.cpp
+++ b/src/boot/modules/BootNet/BootNet.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/modules/SysChk/SysChk.cpp b/src/boot/modules/SysChk/SysChk.cpp
index 09522b98..1a93d748 100644
--- a/src/boot/modules/SysChk/SysChk.cpp
+++ b/src/boot/modules/SysChk/SysChk.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/BootFileReader.cpp b/src/boot/src/BootFileReader.cpp
index 5d1281ba..0ca48cd3 100644
--- a/src/boot/src/BootFileReader.cpp
+++ b/src/boot/src/BootFileReader.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/BootThread.cpp b/src/boot/src/BootThread.cpp
index c0c72d8b..16e368c3 100644
--- a/src/boot/src/BootThread.cpp
+++ b/src/boot/src/BootThread.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/HEL/AMD64/BootEFI.cpp b/src/boot/src/HEL/AMD64/BootEFI.cpp
index 36b64266..4d004e54 100644
--- a/src/boot/src/HEL/AMD64/BootEFI.cpp
+++ b/src/boot/src/HEL/AMD64/BootEFI.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/HEL/AMD64/BootPlatform.cpp b/src/boot/src/HEL/AMD64/BootPlatform.cpp
index b8cdea2b..b1f2224e 100644
--- a/src/boot/src/HEL/AMD64/BootPlatform.cpp
+++ b/src/boot/src/HEL/AMD64/BootPlatform.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/HEL/ARM64/BootEFI.cpp b/src/boot/src/HEL/ARM64/BootEFI.cpp
index cf27287f..936f5dfb 100644
--- a/src/boot/src/HEL/ARM64/BootEFI.cpp
+++ b/src/boot/src/HEL/ARM64/BootEFI.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/HEL/ARM64/BootPlatform.cpp b/src/boot/src/HEL/ARM64/BootPlatform.cpp
index a6d619de..df690116 100644
--- a/src/boot/src/HEL/ARM64/BootPlatform.cpp
+++ b/src/boot/src/HEL/ARM64/BootPlatform.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/boot/src/New+Delete.cpp b/src/boot/src/New+Delete.cpp
index 9fd5df84..8a01184f 100644
--- a/src/boot/src/New+Delete.cpp
+++ b/src/boot/src/New+Delete.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/hint/CompilerHint.h b/src/hint/CompilerHint.h
index 9b9e8fbd..cdda0c98 100644
--- a/src/hint/CompilerHint.h
+++ b/src/hint/CompilerHint.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/DmaKit/DmaPool.h b/src/kernel/DmaKit/DmaPool.h
index 4a1d4526..91981620 100644
--- a/src/kernel/DmaKit/DmaPool.h
+++ b/src/kernel/DmaKit/DmaPool.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FSKit/Config.h b/src/kernel/FSKit/Config.h
index a9f06bf5..28e04e49 100644
--- a/src/kernel/FSKit/Config.h
+++ b/src/kernel/FSKit/Config.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FSKit/Ext2+IFS.h b/src/kernel/FSKit/Ext2+IFS.h
index 49ced627..8c904710 100644
--- a/src/kernel/FSKit/Ext2+IFS.h
+++ b/src/kernel/FSKit/Ext2+IFS.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FSKit/Ext2.h b/src/kernel/FSKit/Ext2.h
index 25d9f9bd..2d84eb2d 100644
--- a/src/kernel/FSKit/Ext2.h
+++ b/src/kernel/FSKit/Ext2.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FSKit/NeFS.h b/src/kernel/FSKit/NeFS.h
index bf314d3c..d05c252b 100644
--- a/src/kernel/FSKit/NeFS.h
+++ b/src/kernel/FSKit/NeFS.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FSKit/OpenHeFS.h b/src/kernel/FSKit/OpenHeFS.h
index 55d16db7..a642c299 100644
--- a/src/kernel/FSKit/OpenHeFS.h
+++ b/src/kernel/FSKit/OpenHeFS.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FirmwareKit/EFI/API.h b/src/kernel/FirmwareKit/EFI/API.h
index fce2b411..56e05c98 100644
--- a/src/kernel/FirmwareKit/EFI/API.h
+++ b/src/kernel/FirmwareKit/EFI/API.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FirmwareKit/GPT.h b/src/kernel/FirmwareKit/GPT.h
index 025378d0..24e0c689 100644
--- a/src/kernel/FirmwareKit/GPT.h
+++ b/src/kernel/FirmwareKit/GPT.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/FirmwareKit/VEPM.h b/src/kernel/FirmwareKit/VEPM.h
index 192ad45d..0395d0ef 100644
--- a/src/kernel/FirmwareKit/VEPM.h
+++ b/src/kernel/FirmwareKit/VEPM.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/GfxKit/FB.h b/src/kernel/GfxKit/FB.h
index 0eb6eab3..8f6c3a45 100644
--- a/src/kernel/GfxKit/FB.h
+++ b/src/kernel/GfxKit/FB.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/GfxKit/GPU.h b/src/kernel/GfxKit/GPU.h
index 72192f78..739876eb 100644
--- a/src/kernel/GfxKit/GPU.h
+++ b/src/kernel/GfxKit/GPU.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/HALKit/AMD64/HalCoreSystemCalls+DDK.cpp b/src/kernel/HALKit/AMD64/HalCoreSystemCalls+DDK.cpp
index 12f3739e..a0632ff0 100644
--- a/src/kernel/HALKit/AMD64/HalCoreSystemCalls+DDK.cpp
+++ b/src/kernel/HALKit/AMD64/HalCoreSystemCalls+DDK.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/HALKit/AMD64/HalCoreSystemCalls+NeLaunch.cpp b/src/kernel/HALKit/AMD64/HalCoreSystemCalls+NeLaunch.cpp
index 03148682..2a770052 100644
--- a/src/kernel/HALKit/AMD64/HalCoreSystemCalls+NeLaunch.cpp
+++ b/src/kernel/HALKit/AMD64/HalCoreSystemCalls+NeLaunch.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/HALKit/ARM64/CxxAbi.cpp b/src/kernel/HALKit/ARM64/CxxAbi.cpp
index 45c59e9b..7f8c8245 100644
--- a/src/kernel/HALKit/ARM64/CxxAbi.cpp
+++ b/src/kernel/HALKit/ARM64/CxxAbi.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/BinaryMutex.h b/src/kernel/KernelKit/BinaryMutex.h
index 1273e165..2fb390d3 100644
--- a/src/kernel/KernelKit/BinaryMutex.h
+++ b/src/kernel/KernelKit/BinaryMutex.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/CodeMgr.h b/src/kernel/KernelKit/CodeMgr.h
index c74d3a5e..706c4aff 100644
--- a/src/kernel/KernelKit/CodeMgr.h
+++ b/src/kernel/KernelKit/CodeMgr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/CoreProcessScheduler.h b/src/kernel/KernelKit/CoreProcessScheduler.h
index f032c705..e8e3273e 100644
--- a/src/kernel/KernelKit/CoreProcessScheduler.h
+++ b/src/kernel/KernelKit/CoreProcessScheduler.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/DriveMgr.h b/src/kernel/KernelKit/DriveMgr.h
index 0f0673dd..76ee5dcf 100644
--- a/src/kernel/KernelKit/DriveMgr.h
+++ b/src/kernel/KernelKit/DriveMgr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/IFS.h b/src/kernel/KernelKit/IFS.h
index bc6829b8..f1f2de90 100644
--- a/src/kernel/KernelKit/IFS.h
+++ b/src/kernel/KernelKit/IFS.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/ILoader.h b/src/kernel/KernelKit/ILoader.h
index 2dd8ccc0..9291340f 100644
--- a/src/kernel/KernelKit/ILoader.h
+++ b/src/kernel/KernelKit/ILoader.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/IPEFDylibObject.h b/src/kernel/KernelKit/IPEFDylibObject.h
index 8c2be901..b446d88b 100644
--- a/src/kernel/KernelKit/IPEFDylibObject.h
+++ b/src/kernel/KernelKit/IPEFDylibObject.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/KernelTask.h b/src/kernel/KernelKit/KernelTask.h
index 1b94a9fc..6e319cbe 100644
--- a/src/kernel/KernelKit/KernelTask.h
+++ b/src/kernel/KernelKit/KernelTask.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/Semaphore.h b/src/kernel/KernelKit/Semaphore.h
index 4dc8f388..bb6b9ba9 100644
--- a/src/kernel/KernelKit/Semaphore.h
+++ b/src/kernel/KernelKit/Semaphore.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/TraceSrv.h b/src/kernel/KernelKit/TraceSrv.h
index 9786cc6e..998a14e9 100644
--- a/src/kernel/KernelKit/TraceSrv.h
+++ b/src/kernel/KernelKit/TraceSrv.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/UserMgr+User.h b/src/kernel/KernelKit/UserMgr+User.h
index 4bc8876d..bae51180 100644
--- a/src/kernel/KernelKit/UserMgr+User.h
+++ b/src/kernel/KernelKit/UserMgr+User.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/UserMgr.h b/src/kernel/KernelKit/UserMgr.h
index 6e6652b1..16ca79b6 100644
--- a/src/kernel/KernelKit/UserMgr.h
+++ b/src/kernel/KernelKit/UserMgr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/UserProcessScheduler.h b/src/kernel/KernelKit/UserProcessScheduler.h
index b9c28dd2..4a160121 100644
--- a/src/kernel/KernelKit/UserProcessScheduler.h
+++ b/src/kernel/KernelKit/UserProcessScheduler.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/KernelKit/UserProcessScheduler.inl b/src/kernel/KernelKit/UserProcessScheduler.inl
index a706b5ef..6620415a 100644
--- a/src/kernel/KernelKit/UserProcessScheduler.inl
+++ b/src/kernel/KernelKit/UserProcessScheduler.inl
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/Atom.h b/src/kernel/NeKit/Atom.h
index 066ec8e3..48ee83c8 100644
--- a/src/kernel/NeKit/Atom.h
+++ b/src/kernel/NeKit/Atom.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/CxxAbi.h b/src/kernel/NeKit/CxxAbi.h
index 7ee04d41..ea24a722 100644
--- a/src/kernel/NeKit/CxxAbi.h
+++ b/src/kernel/NeKit/CxxAbi.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/ErrorOr.h b/src/kernel/NeKit/ErrorOr.h
index 5e198506..252b8e5f 100644
--- a/src/kernel/NeKit/ErrorOr.h
+++ b/src/kernel/NeKit/ErrorOr.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/Function.h b/src/kernel/NeKit/Function.h
index 55a4836f..e6d75261 100644
--- a/src/kernel/NeKit/Function.h
+++ b/src/kernel/NeKit/Function.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/InitializerList.h b/src/kernel/NeKit/InitializerList.h
index 18a88b66..7cc3d3b7 100644
--- a/src/kernel/NeKit/InitializerList.h
+++ b/src/kernel/NeKit/InitializerList.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/KString.h b/src/kernel/NeKit/KString.h
index 3c12c03c..a5746791 100644
--- a/src/kernel/NeKit/KString.h
+++ b/src/kernel/NeKit/KString.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/KernelPanic.h b/src/kernel/NeKit/KernelPanic.h
index 940739f4..0aaf45cf 100644
--- a/src/kernel/NeKit/KernelPanic.h
+++ b/src/kernel/NeKit/KernelPanic.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/Stream.h b/src/kernel/NeKit/Stream.h
index 8ef82e6c..8184346d 100644
--- a/src/kernel/NeKit/Stream.h
+++ b/src/kernel/NeKit/Stream.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NeKit/TOML.h b/src/kernel/NeKit/TOML.h
index 795bb420..8bbae7ef 100644
--- a/src/kernel/NeKit/TOML.h
+++ b/src/kernel/NeKit/TOML.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NetworkKit/IP.h b/src/kernel/NetworkKit/IP.h
index 3377ae3f..fce13bea 100644
--- a/src/kernel/NetworkKit/IP.h
+++ b/src/kernel/NetworkKit/IP.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NetworkKit/IPC.h b/src/kernel/NetworkKit/IPC.h
index 7b5c2486..85b19a16 100644
--- a/src/kernel/NetworkKit/IPC.h
+++ b/src/kernel/NetworkKit/IPC.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NetworkKit/LTE.h b/src/kernel/NetworkKit/LTE.h
index c56402e9..d6f82024 100644
--- a/src/kernel/NetworkKit/LTE.h
+++ b/src/kernel/NetworkKit/LTE.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NetworkKit/MAC.h b/src/kernel/NetworkKit/MAC.h
index 7461ae74..bb243795 100644
--- a/src/kernel/NetworkKit/MAC.h
+++ b/src/kernel/NetworkKit/MAC.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NetworkKit/NetworkDevice.h b/src/kernel/NetworkKit/NetworkDevice.h
index e1f8c83a..ef7f4069 100644
--- a/src/kernel/NetworkKit/NetworkDevice.h
+++ b/src/kernel/NetworkKit/NetworkDevice.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/NetworkKit/NetworkDevice.inl b/src/kernel/NetworkKit/NetworkDevice.inl
index e8b38c92..47fb553d 100644
--- a/src/kernel/NetworkKit/NetworkDevice.inl
+++ b/src/kernel/NetworkKit/NetworkDevice.inl
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/SignalKit/Signals.h b/src/kernel/SignalKit/Signals.h
index bf3f8cd8..ecdb15b3 100644
--- a/src/kernel/SignalKit/Signals.h
+++ b/src/kernel/SignalKit/Signals.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/ACPIFactoryInterface.cpp b/src/kernel/src/ACPIFactoryInterface.cpp
index 348e800f..9aa4e26e 100644
--- a/src/kernel/src/ACPIFactoryInterface.cpp
+++ b/src/kernel/src/ACPIFactoryInterface.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/AsciiUtils.cpp b/src/kernel/src/AsciiUtils.cpp
index c063ef11..394d0dde 100644
--- a/src/kernel/src/AsciiUtils.cpp
+++ b/src/kernel/src/AsciiUtils.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/CodeMgr.cpp b/src/kernel/src/CodeMgr.cpp
index f6f7e920..19d770b1 100644
--- a/src/kernel/src/CodeMgr.cpp
+++ b/src/kernel/src/CodeMgr.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/FS/Ext2+IFS.cpp b/src/kernel/src/FS/Ext2+IFS.cpp
index cb0f98d5..b1b78624 100644
--- a/src/kernel/src/FS/Ext2+IFS.cpp
+++ b/src/kernel/src/FS/Ext2+IFS.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/FS/OpenHeFS+FileMgr.cpp b/src/kernel/src/FS/OpenHeFS+FileMgr.cpp
index afbba8bb..81986298 100644
--- a/src/kernel/src/FS/OpenHeFS+FileMgr.cpp
+++ b/src/kernel/src/FS/OpenHeFS+FileMgr.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp b/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp
index fa3f5785..b923d13f 100644
--- a/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp
+++ b/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/FileMgr.cpp b/src/kernel/src/FileMgr.cpp
index 91114d8b..4dadf288 100644
--- a/src/kernel/src/FileMgr.cpp
+++ b/src/kernel/src/FileMgr.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/GUIDWizard.cpp b/src/kernel/src/GUIDWizard.cpp
index ac3c2f4a..fd43d861 100644
--- a/src/kernel/src/GUIDWizard.cpp
+++ b/src/kernel/src/GUIDWizard.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/Gfx/FBDeviceInterface.cpp b/src/kernel/src/Gfx/FBDeviceInterface.cpp
index 7e4b8272..48bc1abd 100644
--- a/src/kernel/src/Gfx/FBDeviceInterface.cpp
+++ b/src/kernel/src/Gfx/FBDeviceInterface.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/HeapMgr.cpp b/src/kernel/src/HeapMgr.cpp
index a18fce5a..f6a7f5fe 100644
--- a/src/kernel/src/HeapMgr.cpp
+++ b/src/kernel/src/HeapMgr.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/InitializerList.cpp b/src/kernel/src/InitializerList.cpp
index 7d7adfbb..fada5851 100644
--- a/src/kernel/src/InitializerList.cpp
+++ b/src/kernel/src/InitializerList.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/KernelTask.cpp b/src/kernel/src/KernelTask.cpp
index f415b114..6ed0cec2 100644
--- a/src/kernel/src/KernelTask.cpp
+++ b/src/kernel/src/KernelTask.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/Semaphore.cpp b/src/kernel/src/Semaphore.cpp
index 6d788827..fa197239 100644
--- a/src/kernel/src/Semaphore.cpp
+++ b/src/kernel/src/Semaphore.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/Storage/AHCIDeviceInterface.cpp b/src/kernel/src/Storage/AHCIDeviceInterface.cpp
index b2af94fb..3a48cadc 100644
--- a/src/kernel/src/Storage/AHCIDeviceInterface.cpp
+++ b/src/kernel/src/Storage/AHCIDeviceInterface.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/Swap/DiskSwap.cpp b/src/kernel/src/Swap/DiskSwap.cpp
index a22305ec..b7733870 100644
--- a/src/kernel/src/Swap/DiskSwap.cpp
+++ b/src/kernel/src/Swap/DiskSwap.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/User.cpp b/src/kernel/src/User.cpp
index 66d22d24..2e626b03 100644
--- a/src/kernel/src/User.cpp
+++ b/src/kernel/src/User.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/kernel
diff --git a/src/kernel/src/UserMgr.cpp b/src/kernel/src/UserMgr.cpp
index c1b5140e..264dcc5f 100644
--- a/src/kernel/src/UserMgr.cpp
+++ b/src/kernel/src/UserMgr.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/kernel
diff --git a/src/kernel/src/UserProcessScheduler.cpp b/src/kernel/src/UserProcessScheduler.cpp
index 8d342f76..e7fe7398 100644
--- a/src/kernel/src/UserProcessScheduler.cpp
+++ b/src/kernel/src/UserProcessScheduler.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/kernel/src/UserProcessTeam.cpp b/src/kernel/src/UserProcessTeam.cpp
index 6a302066..fe598795 100644
--- a/src/kernel/src/UserProcessTeam.cpp
+++ b/src/kernel/src/UserProcessTeam.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/kernel
diff --git a/src/kernel/src/ZXDCodeMgr.cpp b/src/kernel/src/ZXDCodeMgr.cpp
index feb83c59..ccae888c 100644
--- a/src/kernel/src/ZXDCodeMgr.cpp
+++ b/src/kernel/src/ZXDCodeMgr.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/launch/LaunchKit/Foundation.h b/src/launch/LaunchKit/Foundation.h
index df0d7770..f6b2ffac 100644
--- a/src/launch/LaunchKit/Foundation.h
+++ b/src/launch/LaunchKit/Foundation.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/launch/src/CRuntimeZero.S b/src/launch/src/CRuntimeZero.S
index f8476d6a..20a9bec0 100644
--- a/src/launch/src/CRuntimeZero.S
+++ b/src/launch/src/CRuntimeZero.S
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/launch/src/RuntimeMain.cpp b/src/launch/src/RuntimeMain.cpp
index 2b09d6ce..72261430 100644
--- a/src/launch/src/RuntimeMain.cpp
+++ b/src/launch/src/RuntimeMain.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/Defines.h b/src/libDDK/DriverKit/Defines.h
index 9b629428..fd3daeee 100644
--- a/src/libDDK/DriverKit/Defines.h
+++ b/src/libDDK/DriverKit/Defines.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/Device.h b/src/libDDK/DriverKit/Device.h
index 3e50535a..9bdc2cf7 100644
--- a/src/libDDK/DriverKit/Device.h
+++ b/src/libDDK/DriverKit/Device.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/DriverKit.h b/src/libDDK/DriverKit/DriverKit.h
index 09cf2365..40e8ab75 100644
--- a/src/libDDK/DriverKit/DriverKit.h
+++ b/src/libDDK/DriverKit/DriverKit.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/IO.h b/src/libDDK/DriverKit/IO.h
index 277a84d4..4b27ebfa 100644
--- a/src/libDDK/DriverKit/IO.h
+++ b/src/libDDK/DriverKit/IO.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/ObjectKit/Base.h b/src/libDDK/DriverKit/ObjectKit/Base.h
index b700b402..5b483617 100644
--- a/src/libDDK/DriverKit/ObjectKit/Base.h
+++ b/src/libDDK/DriverKit/ObjectKit/Base.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/ObjectKit/Checksum.h b/src/libDDK/DriverKit/ObjectKit/Checksum.h
index 0452799e..927bbb77 100644
--- a/src/libDDK/DriverKit/ObjectKit/Checksum.h
+++ b/src/libDDK/DriverKit/ObjectKit/Checksum.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/ObjectKit/DriverKit.h b/src/libDDK/DriverKit/ObjectKit/DriverKit.h
index bfb749a6..3fc883fa 100644
--- a/src/libDDK/DriverKit/ObjectKit/DriverKit.h
+++ b/src/libDDK/DriverKit/ObjectKit/DriverKit.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/DriverKit/String.h b/src/libDDK/DriverKit/String.h
index c0ee0e14..b252a9db 100644
--- a/src/libDDK/DriverKit/String.h
+++ b/src/libDDK/DriverKit/String.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/src/Allocator.cpp b/src/libDDK/src/Allocator.cpp
index 1122e310..362c2b18 100644
--- a/src/libDDK/src/Allocator.cpp
+++ b/src/libDDK/src/Allocator.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/src/CxxABI.cpp b/src/libDDK/src/CxxABI.cpp
index d5e16e35..637fcc2f 100644
--- a/src/libDDK/src/CxxABI.cpp
+++ b/src/libDDK/src/CxxABI.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libDDK/src/DriverBase.cpp b/src/libDDK/src/DriverBase.cpp
index 2567dd4b..37b138a0 100644
--- a/src/libDDK/src/DriverBase.cpp
+++ b/src/libDDK/src/DriverBase.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libMsg/MsgKit/Server.h b/src/libMsg/MsgKit/Server.h
index 8b7a2519..3ab8eb73 100644
--- a/src/libMsg/MsgKit/Server.h
+++ b/src/libMsg/MsgKit/Server.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libMsg/src/Server.cpp b/src/libMsg/src/Server.cpp
index 7c176bfb..3f2e8f5a 100644
--- a/src/libMsg/src/Server.cpp
+++ b/src/libMsg/src/Server.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libPOSIXWrapper/POSIXKit/unistd.h b/src/libPOSIXWrapper/POSIXKit/unistd.h
index cdaa6628..b232757c 100644
--- a/src/libPOSIXWrapper/POSIXKit/unistd.h
+++ b/src/libPOSIXWrapper/POSIXKit/unistd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libSoundSystem/SoundSystemKit/VirtualMixer.h b/src/libSoundSystem/SoundSystemKit/VirtualMixer.h
index b6918f5a..69fa341a 100644
--- a/src/libSoundSystem/SoundSystemKit/VirtualMixer.h
+++ b/src/libSoundSystem/SoundSystemKit/VirtualMixer.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/libSoundSystem/src/VirtualMixer.cpp b/src/libSoundSystem/src/VirtualMixer.cpp
index 6ab38bc3..792bb672 100644
--- a/src/libSoundSystem/src/VirtualMixer.cpp
+++ b/src/libSoundSystem/src/VirtualMixer.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
diff --git a/src/libSystem/src/SystemCalls.cpp b/src/libSystem/src/SystemCalls.cpp
index d8e5266a..c48715e2 100644
--- a/src/libSystem/src/SystemCalls.cpp
+++ b/src/libSystem/src/SystemCalls.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 // Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel