Securely delete files from the command line Just discovered the srm command on *nix systems. srm will securely delete files, dependant on the switches you give it either one overwrite with random data, 7 passes, or 35 passes. Hat tip to practicallyefficient.com. If you're new here, you may want to subscribe to my RSS feed or learn more about me, Ben Hamilton or link to me via LinkedIn. I can be found tweeting at @benhamilton. Thanks for visiting!