Command Line Basics

15 minutes
  • 3 Learning Objectives

About this Hands-on Lab

In this hands-on lab we will try out some command line basics. Becoming comfortable with the command line is an important step in a career using and managing Linux systems, and in this excersize we will review the currently logged in users, as well as users that have logged in previously.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Determine the Current Working Directory
  1. The command prompt povides very little information upon login to the system. Use the following command to determine your current working directory:
  2. Change your working directory to your user’s home directory.
    cd ~
Determine Which Users Are Currently on the System and the Last Users to Log In
  1. Verify that you are the only user logged in to the system with the following command:
  2. Determine which users last logged in to the system, as well as the last time the system was booted by running the following command:
Record Your Findings in `/home/cloud_user`
  1. Create a record of your findings by writing the output of the previous commands into a new file in the cloud_user home directory. From the /home/cloud_user directory, run the following commands:
    w > log.txt
    last >> log.txt
  2. View the contents of the file you created using the following command:
    cat log.txt

Additional Resources

Verify that your lab host hasn't had any other users log in since boot, and output your findings to a new file called /home/cloud_user/log.txt.

What are Hands-on Labs

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Sign In
Welcome Back!

Psst…this one if you’ve been moved to ACG!

Get Started
Who’s going to be learning?