Filesystem Hierarchy Standard

4.1 Purpose

/usr is the second major section of the filesystem. /usr is shareable, read-only data. That means that /usr should be shareable between various FHS-compliant hosts and must not be written to. Any information that is host-specific or varies with time is stored elsewhere.

Large software packages must not use a direct subdirectory under the /usr hierarchy.


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Translated by troff2html v1.5 on 29 March 2002 by Daniel Quinlan