If you are running a Unix-based or Unix-like operating system, bash is most likely installed as the default terminal .
Although there are many different shells , bash is the most common and perhaps the most mainstream.
If you don't understand what that means, bash is a thing that can interpret your input into a terminal program and run commands based on your input.
It supports the use of scripts to customize functions to a certain extent, and it will be used .bashrc at this time .
In order to load your configuration, bash loads .bashrc the contents of the file every time it starts .
Every user's home directory has this shell script. It is used to store and load your terminal configuration and environment variables .
If you have never edited it before .bashrc , you may find it is empty. it does not matter! If it is not, you can add your configuration on any line at will.
Any changes you make to bashrc will take effect the next time you start the terminal. If you want to take effect immediately, run the following command: source .bashrc