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