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EricVonB
Asked: 2016-10-23 03:37:09 +0800 CST

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

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Regarding the secure-delete command in Linux, what is the difference between srm -f, srm -l and srm -fl ? Which is fastest? Which is most secure?

secure-erase

1 Answers

  1. Best Answer

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

    -l lessens the security. Only two passes are written: one mode with 0xff and a final mode random values.Ubuntu Manuals

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