# sshrm Remove an entry from `~/.ssh/known_hosts` by host name or by line number. ## Usage ```bash sshrm [OPTION]... HOST|LINE ``` ## Options - `-h`, `--help` Show help and exit. ## Examples Remove by host: ```bash sshrm example.com ``` Remove by line number: ```bash sshrm 12 ``` ## Notes - Line numbers must be positive integers. - The script edits `~/.ssh/known_hosts`. - Keep a backup if you need to recover entries.