It is defined on a per-user basis and it is located in your home directory. Let’s say for example that you want to add a new alias to your shell environment. Open your . bashrc file and a new entry to it.

What is the source command in Linux?

source is a shell built-in command which is used to read and execute the content of a file(generally set of commands), passed as an argument in the current shell script. The command after taking the content of the specified files passes it to the TCL interpreter as a text script which then gets executed.

How do you source a file in Linux?

When a file is sourced (by typing either source filename or . filename at the command line), the lines of code in the file are executed as if they were printed at the command line.