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* fs rewrite stage 1: persistent block device (bounce buffer, cart SRAM)user2026-07-16
* jobs: background execution (&), non-blocking reap, spin demouser2026-07-16
* kill + ps: implement SYS_KILL (pid 1 immortal) and a ps tooluser2026-07-16
* shell: I/O redirection (>/<) and pipes (|); rewrite shell in Cuser2026-07-16
* filesystem: a RAM FS (WRAMX) + ls/cat/save/rm; wc/head read filesuser2026-07-16
* libc: option parsing (hasflag/optval); wc -l/-w/-c, head -n Nuser2026-07-16
* tools: wc, head, and an argc/argv demo (args) + libc.c helpersuser2026-07-16
* libc + CLI tools: a small C userlanduser2026-07-16
* C toolchain: run SDCC-compiled C programs as gbos processesuser2026-07-16
* shell working: fix syscall ABI (trap clobbers HL) + documentuser2026-07-16
* wip: sys_read + serial console shell (read-store bug under investigation)user2026-07-16
* kernel: complete the process lifecycle (exit/wait/reap + bank free list)user2026-07-16
* kernel: implement exec()user2026-07-16
* kernel: implement fork()user2026-07-15
* gbos scaffold: working cooperative microkernel (verified ABAB in emulator)user2026-07-15