Laboratory Exercise: Cyber Basics - Introduction to Linux User Accounts, Groups, and Permissions

This lesson will provide an introduction into Linux user accounts. By the end of this lesson, you should be comfortable creating, deleting, and managing, user accounts. Groups and Permissions will also be introduced.

Faculty Instructions

Resources required

This exercise requires a VirtualBox Kali Linux Virtual Machine running on a computer (laptop) or a Kali Linux VM running in the Virginia Cyber Range.

If you are using the Virginia Cyber Range Kali Linux VM, this lab exercise requires an account on The Range.  To sign up for an account on The Range, please visit our Sign-Up page.  Your students will also require an account on the Virginia Cyber Range; this will be explained in the setup of your course.

Virtual Environment: This exercise uses a single Kali Linux virtual machine.

Introduction to Linux User Accounts Lab Handout

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* NICE Cybersecurity Workforce Framework KSAs Addressed
  • K0129: Knowledge of Unix command line (e.g., mkdir, mv, ls, passwd, grep).
  • K0271: Knowledge of operating system structures and internals (e.g., process management, directory structure, installed applications).
  • K0608: Knowledge of Unix/Linux and Windows operating systems structures and internals (e.g., process management, directory structure, installed applications).
  • S0067: Skill in identifying, modifying, and manipulating applicable system components within Windows, Unix, or Linux (e.g., passwords, user accounts, files).
  • S0275: Skill in server administration.
  • A0107: Ability to think like threat actors.
* NSA/DHS Center of Excellence (CAE) KUs Addressed
  • Linux System Administration (LSA)

* Most courseware content maps to NIST NICE Cybersecurity Workforce Framework (NCWF) Knowledge, Skills, and Abilities (KSAs) and/or NSA/DHS CAE Knowledge Units (KUs). For more information on KSAs and KUs, please visit:

KSAs: http://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-181.pdf

KUs: https://www.iad.gov/NIETP/documents/Requirements/CAE-CD_2019_Knowledge_Units.pdf