Messages in this thread | | | Date | Sat, 14 Aug 1999 19:58:48 +0300 | From | Meelis Roos <> | Subject | Re: Undefined behavior? Or just a feature? |
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P> I seem to be able to create files in linux that are 2+ gigs when there is P> only 100 MB free...infact I can create dozens of them without problem, and P> the disk usage shown by "df" is unaffected, and "du" reports only 4 blocks P> on the files. Heres the code that does it :
Welcome to the world of sparse files :-)
Yes, this is a feature, the blocks are only allocated when you write to them.
-- Meelis Roos (mroos@tartu.cyber.ee)
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