rs-dos/docs/adr/0005-persistent-terminal-and-disk-controller.md, branch qemu Simple, kernel-only, 64bit OS, early stage. https://git.2137697.xyz/rs-dos/atom?h=qemu 2026-08-17T17:56:24Z Terminal-app design (ADR 0005) + disk-write controller 2026-08-17T17:56:24Z salmonik salmonik@tuta.io 2026-08-17T17:56:24Z urn:sha1:126d5b2e55dca93e024f5654fed6fae37a012369 - ADR 0005: persistent home terminal (full-screen, chrome-less, bottom-pinned), F1 terminal windows, per-instance vt/tty/shell, queue-based input for all terminals, and the disk controller - Glossary: add the Terminal term; update Task/App for the new model - Add a re-entrant disk lock (DiskGuard over the preemption-depth counter) and wrap all fs/fat mutating operations per-call