what is a shella shell is an interactive user, Computer Engineering

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what is a shella shell is an interactive user

What is a shell?

A shell is an interactive user interface to an operating system services that permits an user to enter commands as character strings or by a graphical user interface. The shell changes them to system calls to the OS or forks off a process to execute the command. System call results and other information from the OS are presented to the user through an interactive interface.

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