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author	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 01:16:45 +0000 (22:16 -0300)
committer	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 01:16:45 +0000 (22:16 -0300)
commit	d72821be67a427ee309e090cd39cf594331da5a1
tree	4bd6c847d791b663d485114e174ea299c6cc6794	tree \| snapshot
parent	8cc9d301864356352f5e9206716d56dc3e8d7fd3	commit \| diff

D3: dup/pipe/execve syscalls

Add refcounted dup/dup2, pipe() ring buffer, and execve() to replace the current process image. Include userland wrappers, smoke tests, and a second user binary (echo.elf) packaged into initrd.

Makefile		diff \| blob \| blame \| history
include/errno.h		diff \| blob \| blame \| history
include/syscall.h		diff \| blob \| blame \| history
src/kernel/syscall.c		diff \| blob \| blame \| history
user/echo.c	[new file with mode: 0644]	blob
user/init.c		diff \| blob \| blame \| history

AdrOS - A Unix-like Operating System for hobby/academic study.

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