On Tue, Jul 24, 2012 at 01:01, Dan Harnett wrote: > On Mon, Jul 23, 2012 at 11:51:05PM -0400, Ted Unangst wrote: >> I bring more love to everybody's favorite rm option. >> >> So I'm wiping a file from a fairly slow USB stick and it's taking >> forever. I don't really give a shit about some guy with a quantum >> tachyon microscope taking it apart, I just want the files to be gone >> enough that a simple undelete tool won't bring them back. The three >> wipes is the charm approach of rm -P is a little heavy handed. > > If your USB "stick" is flash based, then you might be wasting your time > even trying to overwrite the file.
I am mostly concerned with logical destruction. Being FAT32, I'm sure Norton Undelete or whatever it's called could have resurrected the file in about 4 seconds. Even if the overwrite wipe is written elsewhere on the device, the original bits will not be recovered by dd. > This chunk no longer matches the manual page. It reverses the pattern > mentioned. Rather than 0xff, 0x00, 0xff, etc... this change does 0x00, > 0xff, 0x00, etc. oops, that was unintentional.
