Environmental variables are inherited by any subshells or child processes, for example, HOME, PATH. Every shell Terminal has a memory area called the environment. Shell keeps all details and settings in the environment. When we start a new Terminal or shell, this environment is created every time.
We can view the environment variables with the following command:
Or we can use this:
The output of the $ env command is as follows:
The list of environment variables will be quite extensive. I advise you to browse through the complete list. We can change the content of any of these environment ...