undo
Product signal · 2026-08-09
What it does
A Linux CLI tool that hooks into bash/zsh/fish and journals destructive filesystem operations so that typing 'undo' reverts what the last shell command did (rm, mv overwrites, truncating with >, accidental chmod, script-created files), with 'undo redo' to re-apply; no daemon, no snapshots, no setup before accidents.
Who it’s for
Linux/Unix developers and system administrators who work in the shell and want a safety net for accidental deletions or destructive commands without aliasing rm or pre-configuring snapshots.
Why it entered the Feed
Admitted from a r/SideProject launch post by the developer (score 98, 33 comments) describing a concrete, working open-source CLI with a documented install path, official website, and GitHub repository.
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