::Unix shell


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tcsh and sh shell windows on an OS X desktop

A Unix shell is a command-line interpreter or shell that provides a traditional user interface for the Unix operating system and for Unix-like systems. Users direct the operation of the computer by entering commands as text for a command line interpreter to execute, or by creating text scripts of one or more such commands. Users typically interact with a Unix shell using a terminal emulator, however, direct operation via serial hardware connections, or networking session, are common for server systems.

Unix shell sections
Intro  Concept  Early shells  Bourne shell  C shell  Exotic shells  Configuration files  See also   Notes    References   Further reading  External links  

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