Utility for ext2 filesystems that zeroes out unallocated blocks
zerofree is a utility for ext2 filesystems that will scan the
list of free blocks in a filesystem and fill with zeroes any
blocks that do not already contain zeroes.
This RPM also includes the sparsify utility, which will scan all
files in an ext2 filesystem and ensure that they are maximally
sparse.
See <a href="http://intgat.tigress.co.uk/rmy/uml/index.html">http://intgat.tigress.co.uk/rmy/uml/index.html</a> for more info.
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