Questions about: environment-variables

Enter the following command in a terminal to print all the environment variables: printenv For further information about this command, read the printenv man page. To show a list including the variables created by yourself you can enter the next comma
This guide shows you how to enable and disable services in Linux. This is the command line method of enabling and disabling services. Some Linux distributions like Fedora, Ubuntu and so on do provide a GUI front-end as well