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Tag: <span>zerofill</span>

Tag: zerofill

Home Posts tagged "zerofill"

Zero out free disk space

Zero out free disk space
Linux  empty space / linux / zero / zerofill 2 Jan 2012 5 Jul 2013 Leave a comment

This function comes in handy when you want to make a compressed sector-by-sector backup of your Linux filesystem and you don’t want to include/waste space with the unused sector (which still have information on them) Running nice cat /dev/zero > zero.fill;sync;sleep 1;sync;rm -f zero.fill before the actual backup will make …

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