This lab course is based on the Practical implementation of concepts taught in Operating System (MIT 121).This paper will cover various Commands, Shell Programming & Administrative Concepts of Linux like Linux File system, directory structure, Linux commands, Server Settings.Shell Programming will include Interactive scripts, shell variables, assigning values to variables, positional parameters, command line arguments, arithmetic in shell script, exit status of a command, sleep and wait, script termination, Decision taking-if else, nested if, file tests, string tests, case control structure, Loop control structure-while, for, IFS, break, continue, $* and $@,logical operators && and || executing script, Debugging a script, executing multiple scripts.