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Shell Scripting Comments Any line starting with a hash (#) becomes comment. Comment means, that line will not take part in script…

Shell Scripting She-bang The sign #! is called she-bang and is written at top of the script. It passes instruction to program…

Shell Scripting let command The let command is an arithmetic operator. It is almost same as (( )). Only difference is that,…

Shell Functions With the help of functions, overall functionality of a function can be divided into smaller or logical parts, which can…

Shell Scripting Variables Scripts can contain variables inside the script. Look at the above snapshot, two variables are assigned to the script…

Troubleshooting a shell script There is one more way other than script execution to run a script in a different shell. Type…

Steps to write and execute a script Open the terminal. Go to the directory where you want to create your script. Create…

Shell Scripting until loop It is similar to while loop. The only difference is that until statement executes its code block while…

What is Shell Scripting In Linux, shells like bash and korn support programming construct which are saved as scripts. These scripts become…

Shell Scripting while loop Linux scripting while loop is similar to C language while loop. There is a condition in while. And…