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Top Forums UNIX for Dummies Questions & Answers ls is taking long time to list Post 302718175 by mercy on Friday 19th of October 2012 09:09:59 AM
Old 10-19-2012
Then you do ls in first time, you read directory desctiptor.
If dir contain maaaaaany file (>10k) - this process is not fast.
In next requests ls use cached directory desctiptor and ls work fast
 

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mvdir(1M)																 mvdir(1M)

NAME
mvdir - move a directory SYNOPSIS
dir newdir DESCRIPTION
moves one directory tree into another existing directory (within the same file system), or renames a directory without moving it. dir must be an existing directory. If newdir does not exist but the directory that would contain it does, dir is moved and/or renamed to newdir. Otherwise, newdir must be an existing directory not already containing an entry with the same name as the last pathname component of dir. In this case, dir is moved and becomes a subdirectory of newdir. The last pathname component of dir is used as the name for the moved directory. refuses to move dir if the path specified by newdir would be a descendent directory of the path specified by dir. Such cases are not allowed because cyclic sub-trees would be created as in the case, for example, of which is prohibited. does not allow directory to be moved. Only users who have appropriate privileges can use EXTERNAL INFLUENCES
International Code Set Support Single- and multi-byte character code sets are supported. AUTHOR
was developed by OSF and HP. SEE ALSO
cp(1), mkdir(1), mv(1). STANDARDS CONFORMANCE
mvdir(1M)
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