zerofree: zerofree (fills free blocks in an ext2/3/4 filesystem with zeroes)
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zerofree: Zerofree is a utility which scans the free blocks in an ext2/3/4
zerofree: filesystem and fills any non-zero blocks with zeroes.
zerofree: This is useful if you have an ext2/3/4 virtual disk image
zerofree: (e.g. VirtualBox' .vdi) that you wish to compact.
zerofree: See project homepage for information and usage.
zerofree:
zerofree:
zerofree: Homepage: http://intgat.tigress.co.uk/rmy/uml/index.html
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