Beginning Linux Command Line Commands

The idea of delving into the command line of Linux can sometimes be a daunting proposition for a new user. Below are a few select commands that should help in getting your feet wet.

Change your account's password:

passwd

Display the security groups for which you are a member:

groups

Determine present working directory:

pwd

Display the cumulative size of files under present working directory:

du -sh

Display a list of files in the present working directory:

ls

Display information about free system memory (in megabytes):

free -m

Display information about free disk space:

df -h

Display the length of time that the machine has been booted:

uptime

Display a list of currently logged in users:

w

Clear the terminal:

clear

User login