Before heading to Google to get help on a particular Unix command, try the following methods, which will give you a comprehensive help on Unix commands.
1. Using apropos to search man pages
Use apropos to search man pages for available Unix commands on a specific functionality.
$ apropos -r REGEXofUNIXCOMMAND or Description.
About apropos command from the man page:
apropos searches a set of database files containing short
descriptions of system commands for keywords and displays
the result on the standard output.
Click here to Read More…
[Via] – The Geek Stuff
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