[PLUG] Disk Wipe on Linux

[Richard C. Steffens]

Some years ago I bought a program from Symantec for wiping hard drives, with  
options to do a simple erase, or a process whereby several patterns are 
written and erased over the whole disk.

What is the Linux equivalent of this?

-- 
Regards,

Dick Steffens
http://home.comcast.net/~rsteff/

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