What is the difference between the -f and -l options of secure-delete srm? - Ask Ubuntu


regarding secure-delete command in linux, difference between srm -f, srm -l , srm -fl ? fastest? secure?

-f fast (and insecure mode): no /dev/urandom, no synchronize mode.

-l lessens security. 2 passes written: 1 mode 0xff , final mode random values.ubuntu manuals


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