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A shell script is merely an executable file containing multiple shell commands that are executed sequentially. The file can contain:
· a shell definition statement
· comments
· commands
The Korn shell supports a number of features and functions that make learning shell scripting techniques preferable to learning a standard programming language such as C or C++. An added bonus of using a shell script is that it is interpreted, meaning that it does not have to be compiled like most programming languages.
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