srm
srm
TLDR
Remove a file after a single-pass overwriting with random data
$ srm -s [path/to/file]
Remove a file after seven passes of overwriting with random data
$ srm -m [path/to/file]
Recursively remove a directory and its contents overwriting each file with a single-pass of random data
$ srm -r -s [path/to/directory]
Prompt before every removal
$ srm -i [\*]