Audience for this tutorial I assumes you have at least working knowledge of Linux i.e. basic commands like how to create, copy, remove files/directories etc or how to use editor like vi or mcedit and ...

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

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Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

Run above script as: $ chmod 755 showfile $./showfile foo Shell script name is showfile ($0) and foo is argument (which is $1).Then shell compare it as follows: if cat $1 which is expanded to if cat ...