The man command displays a somewhat terse but usually complete and accurate summary of the options and usage of the command. A large number of commands have man pages, which provide a quick and easy way of checking on command syntax and usage. Many man pages include command examples, which can be quite useful. The man pages are normally stored in directories under /usr/share/man and are normally stored as gzipped files to save space on your system. man pages are written in a simple markup language known as nroff that is interpreted by the man command to produce nicely formatted output for the screen. You can print a text version of a man page by using a command such as the following:
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