Using GNU / Linux Commands Rather Than Linux GUI Utility Software Programs

The great thing about learning how to use the GNU Linux commands is that they're virtually identical from one version of Linux another!

So, the way the real Linux system admin pros work is by running Linux commands at the Linux command line prompt, rather than using

a slow, cumbersome GUI (Graphical User Interface) utility that only works in one Linux distribution.

To run a Linux command, you type in the name of the command, and any other parts of the command, such as command options, and press the Enter key.

Typing in a Linux command takes seconds and the command runs instantly - and this is much faster than using a Linux GUI utility to do the equivalent of running the command.

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Running the useradd Command To Create A User

You can see an example of the Linux command that is used to create a new Linux user named bthatcher (for Becky Thatcher) below.

]# useradd -c "Becky Thatcher" bthatcher

Linux Training Tips: The ]# on the line above represents the Linux command line prompt. You don't type in the prompt, you just type in the Linux command that appears at the right of the prompt.

The Linux command prompt may also appear as: ]$ (a dollar sign) or appear with another symbol, instead of the # (pound or number) symbol or $ (dollar sign) symbol.

The useradd command above is being run "on" the bthatcher user name to create a user so that this person can log in and do work on a Linux system.

This Linux command creates a new Linux user named bthatcher with the full name of "Becky Thatcher".

The -c (for comment) option is used with this command to add the full name of the user to the Linux user name of bthatcher.

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