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On-line man pages are organized into eight specific sections based on the actual commands' purpose. Some systems organize the sections slightly differently. The original eight sections are:
In addition there is a separate hierarchy for each type of software, one for standard UNIX utilities, one for local commands, one for GNU utilities, etc.
The man command will always try to show you the manual
entry from the correct hierarchy. If you want to see all available
manual pages with a given name use the `-A' argument.
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