rm does not permanently delete files
Dawson Botsford
147

Posix Systems has srm (secure rm). Come by default on OSX and you can use your package manager to install it in your *nix distro.
It's implements "7 US DoD compliant passes" (fills the file with zeros 7 times), making recovery extremely expensive (if not, impossible).
I made an alias for rm to use srm by default.

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