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17 lines
910 B
Text
17 lines
910 B
Text
srm is a secure replacement for rm(1). Unlike the standard rm, it
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overwrites the data in the target files before unlinking them. This
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prevents command-line recovery of the data by examining the raw block
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device. It may also help to frustrate a physical examination of the
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disk, although it's unlikely that it can completely protect against
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this type of recovery.
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srm uses algorithms found in "Secure Deletion of Data from Magnetic
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and Solid- State Memory" by Peter Gutmann and THC Secure Delete (the
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overwrite, truncate, rename, unlink sequence).
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Please note that srm will only work on file systems that overwrite
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blocks in place. In particular, it will *NOT* work on reiserfs or
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the vast majority of journaled file systems. It should work on ext2,
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FAT-based file systems, and the BSD native file system. On ext3, srm
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will try to disable the journaling of data (please see the verbose
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output if this fails).
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