Introduction to Linux Shell and Shell Scripting

If you are using any major operating system you are indirectly interacting to shell. If you are running Ubuntu, Linux Mint or any other Linux distribution, you are interacting to shell every time you use terminal. In this article I will discuss about linux shells and shell scripting so before understanding shell scripting we have to get familiar with following terminologies –

$ chmod -x path/to/our/file/jump.sh

Now to make this available on every terminal session, we have to put this in “.bashrc” file.
“.bashrc” is a shell script that Bash shell runs whenever it is started interactively. The purpose of a .bashrc file is to provide a place where you can set up variables, functions and aliases, define our prompt and define other settings that we want to use whenever we open a new terminal window.
Now open terminal and type following command –

$ echo “source ~/path/to/our/file/jump.sh”>> ~/.bashrc

Now open you terminal and try out new “jump” functionality by typing following command-

$ jump dir_name

just like below screenshot –

Resources for learning Bash Scripting

References

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