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SHELLS - Coggle Diagram
SHELLS
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MANUAL PAGES
All manual pages contain certain section numbers that describe the category of the command in the manual page database
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3 Library functions, covering in particular the C standard library
4 Special files (usually devices, those found in /dev) and drivers
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METACHARACTERS
A metacharacter is a character that has a special meaning, such as a carat (^), dollar sign ($) or an asterisk (*) has special meaning to a computer program, a shell interpreter and a regular expression engine.
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