$ > important-file-1.txt $ cp crap.txt important-file-2.txt $ ln -sf blah important-file-3.txt $ mv crap.txt important-file-4.txt Now what? Editor

$ > important-file-1.txt $ cp crap.txt important-file-2.txt $ ln -sf blah important-file-3.txt $ mv crap.txt important-file-4.txt Now what? Editor backups, git, real backups.