Thursday Tip Day: Different ways to get help at the linux command line
Posted December 20, 2007 
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Comments(0) Man is not the only option for help about a command in linux.
whatis — Display a summary of a command (rather than the entire manual)
apropos — Display a list of commands that pertain to (are apropos to) a keyword
whereis — Display information about the location of a command: the executable, the source code (if any), and the man pages.
which — Display which version of a command will execute (for when there are two, or more, commands with the same name installed on the system).
