LFCS

Linux Foundation Certified System Administrator

Select section

Overview

Exam Overview

Exam Type

Lab-based Exam (Hands-on)

Duration

120 minutes

Level

Intermediate

Kubernetes Version

Not applicable

Prerequisites

No prerequisites required

Exam Attempts

2 attempts included

Required For

Golden Kubestronaut

Practice Simulator Included

Killer.sh

When you purchase the exam, you get access to the official Killer.sh simulator with 2 practice attempts, each lasting 36 hours to prepare you in a realistic environment.

Access: 2 attempts (36 hours each)

Register for Exam

Official Registration

Domains

Log into local & remote graphical and text mode consoles

Search for files

Evaluate and compare the basic file system features and options

Compare and manipulate file content

Use input-output redirection

Boot, reboot, and shut down a system safely

Boot or change system into different operating modes

Install, configure and troubleshoot bootloaders

Diagnose and manage processes

Locate and analyze system log files

Create, delete, and modify local user accounts

Create, delete, and modify local groups and group memberships

Manage system-wide environment profiles

Manage template user environment

Configure user resource limits

Configure networking and hostname resolution statically or dynamically

Configure network services to start automatically at boot

Implement packet filtering

Start, stop, and check the status of network services

Statically route IP traffic

Configure a caching DNS server

Maintain a DNS zone

Configure email aliases

Configure SSH servers and clients

Restrict access to the HTTP proxy server

List, create, delete, and modify physical storage partitions

Manage and configure LVM storage

Create and configure encrypted storage

Configure systems to mount file systems at or during boot

Configure and manage swap space

Resources

Introduction to Linux (LFS101)

by Linux Foundation

Develop a good working knowledge of Linux using both the graphical interface and command line.

FREE Beginner

40-60 hours

A Beginner's Guide to Linux Kernel Development (LFD103)

by Linux Foundation

Learn how to become a Linux kernel developer and contribute to the largest open source project.

FREE Intermediate

12-16 hours

Linux Tools for Software Development (LFD108x)

by Linux Foundation

Learn about essential Linux tools for software development.

FREE Beginner

20-25 hours

Open Source Software Development: Linux for Developers (LFD107x)

by Linux Foundation

Learn how Linux is built and how to work effectively in the Linux ecosystem.

FREE Beginner

20-25 hours

Linux Man Pages

Linux manual pages - essential reference

FREE

LFCS Exam Domains

Official LFCS exam domains and objectives

FREE

Red Hat Documentation

RHEL documentation (applicable to CentOS/Rocky)

FREE

Ubuntu Documentation

Ubuntu server documentation

FREE

LFCS Certification Course

by KodeKloud

Complete LFCS preparation with hands-on labs

PAID Intermediate

25 hours

Linux Administration Bootcamp

by Jason Cannon

Linux administration fundamentals

PAID Beginner

18 hours

Linux for Beginners 2025

by freeCodeCamp

Complete Linux course for beginners

FREE

Linux System Administration 2025

by TechWorld with Nana

Linux sysadmin fundamentals

FREE

LFCS Exam Preparation 2025

by Learn Linux TV

LFCS exam tips and preparation

FREE

Linux Basics for Beginners

by KodeKloud

Linux fundamentals with hands-on labs - essential for LFCS

PAID

Shell Scripts for Beginners

by KodeKloud

Learn shell scripting - essential for LFCS

PAID

Linux Bible, 11th Edition (2024)

by Christopher Negus

Comprehensive Linux administration guide - covers Ubuntu 24 LTS, Fedora 41, RHEL 9

PAID

Efficient Linux at the Command Line (2024)

by Daniel J. Barrett

Boost your command-line skills with practical techniques

PAID

Linux Pocket Guide, 4th Edition (2024)

by Daniel J. Barrett

Quick reference for 200+ Linux commands - 20th anniversary edition

PAID

How Linux Works, 3rd Edition (2021)

by Brian Ward

Essential Linux internals - recommended for LFCS

PAID

Killer.sh LFCS Simulator

Official LFCS exam simulator included with exam registration

PAID

KodeKloud LFCS Labs

Interactive LFCS practice labs with hands-on exercises

PAID

giulianopz/lfcs

Study materials and exercises maintained by the community

FREE

Bes0n/LFCS

Study materials and exercises maintained by the community

FREE

kodekloudhub/linux-basics-course

Study materials and exercises maintained by the community

FREE

VirtualBox

Virtual machine for Linux practice

FREE

Vagrant

Development environments

FREE

WSL (Windows Subsystem for Linux)

Linux on Windows for practice

FREE

Linux Foundation LFCS Blog

by Linux Foundation

Official Linux Foundation blog with LFCS exam tips

FREE

Linux Foundation Training Blog

by Linux Foundation

Official Linux Foundation certification news and tips

FREE

Linux Upskill Challenge

by Linux Upskill Challenge

Free 20-lesson course to become a Linux sysadmin

FREE

Linux Handbook

by Linux Handbook

Linux tutorials and command references

FREE

r/linuxadmin Reddit

Linux administration community - LFCS discussions

FREE

Unix & Linux Stack Exchange

Q&A for Unix and Linux - great for troubleshooting

FREE

Linux Questions

Linux community forum since 2000

FREE

Server Fault

Q&A for system administrators

FREE

Practice

Practice Exam Simulator

Test your knowledge with practice questions

Number of questions

Questions

120m

Duration

75%

Passing

Recommended

Study Mode

See answers immediately and learn as you go

Timed

Exam Mode

Simulate real exam conditions

These are practice questions for study purposes only. They are NOT official exam questions. Use them to assess your knowledge level and identify areas for improvement.

LFCS

Overview

Exam Overview

Practice Simulator Included

Register for Exam

Domains

Essential Commands

Operation of Running Systems

User and Group Management

Networking

Service Configuration

Storage Management

Resources

Linux Foundation (4)

Introduction to Linux (LFS101)

A Beginner's Guide to Linux Kernel Development (LFD103)

Linux Tools for Software Development (LFD108x)

Open Source Software Development: Linux for Developers (LFD107x)

Technical Documentation (4)

Linux Man Pages

LFCS Exam Domains

Red Hat Documentation

Ubuntu Documentation

Online Courses (2)

LFCS Certification Course

Linux Administration Bootcamp

Video Tutorials (5)

Linux for Beginners 2025

Linux System Administration 2025

LFCS Exam Preparation 2025

Linux Basics for Beginners

Shell Scripts for Beginners

Recommended Books (4)

Linux Bible, 11th Edition (2024)

Efficient Linux at the Command Line (2024)

Linux Pocket Guide, 4th Edition (2024)

How Linux Works, 3rd Edition (2021)

Labs and Simulators (2)

Killer.sh LFCS Simulator

KodeKloud LFCS Labs

GitHub Repositories (3)

giulianopz/lfcs

Bes0n/LFCS

kodekloudhub/linux-basics-course

Tools and Utilities (3)

VirtualBox

Vagrant

WSL (Windows Subsystem for Linux)

Blogs and Articles (4)

Linux Foundation LFCS Blog

Linux Foundation Training Blog

Linux Upskill Challenge

Linux Handbook

Communities and Forums (4)

r/linuxadmin Reddit

Unix & Linux Stack Exchange

Linux Questions

Server Fault

Practice

Practice Exam Simulator

Study Mode

Exam Mode