Chgrp, chmod, chown, chcon, du, rm performance information on ext filesytems

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  • Noteworthy changes coreutils in release 7.0 (2008-10-05) [beta]
    • New features
 chgrp, chmod, chown, chcon, du, rm: now all display linear performance,
 even when operating on million-entry directories on ext3 and ext4 file
 systems.  Before, they would exhibit O(N^2) performance, due to linear
 per-entry seek time cost when operating on entries in readdir order.
 Rm was improved directly, while the others inherit the improvement
 from the newer version of fts in gnulib.

https://serverfault.com/a/425164

See also[edit]

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