Shell Scripting Interview Questions and Answers

In UNIX, the Command Shell is the native command interpreter. It provides a command line interface for the users to interact with the operating system. UNIX commands may also be executed non-interactively in the form of a Shell Script. The script is a series of commands that will be run together. Shell scripts can be used for a variety of tasks from customizing your environments to automating your daily tasks. A shell script is a text file that contains a sequence of commands for a UNIX-based operating system. It’s called a shell script because it combines into a “script” in a single file a sequence of commands that would otherwise have to be presented to the system from a keyboard one at a time.

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