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Shell (computing)

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In computing, a shell is a computer program which exposes an operating system's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is the outermost layer around the operating system.Command-line shells require the user to be familiar with commands and their calling syntax, and to understand concepts about the shell-specific scripting language (for example, bash).

Shell (computing) - Wikipedia Jump to content From Wikipedia, the free encyclopedia Direct interface to an operating system A graphical interface similar to one from the late 1980s, which features a graphical window for a man page , a shaped window (oclock) as well as several iconified windows. In the lower right we can see a terminal emulator running a Unix shell , in which the user can type commands as if they were sitting at a terminal . An operating system shell is a computer program that provides relatively broad and direct access to the system on which it runs. The term shell refers to h

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