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zum - free disk space by making holes in files
zum reads a files list on the command line and attempts to perforate
these files. Perforation means, that series of `0' bytes are replaced
by lseek(2)s, thus giving the file system a chance of not allocating
real disk space for those bytes.
find . -type f -print0 | xargs -0 zum
If you zum under /boot, where your kernel image lives, your system will
become unbootable unless you run lilo again.
Oleg Kibirev <firstname.lastname@example.org.CSUFresno.edu>.
Manual page by Heiko Schlittermann <email@example.com>.
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