Exam Code: LFCS
Exam Name: Linux Foundation Certified System Administrator
Certification Provider: Linux Foundation
Corresponding Certification: Linux Foundation Certified

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LFCS

Updated: Sep 10, 2026

No. of Questions: 260 Questions & Answers with Testing Engine

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Introduction to LFCS Exam

The Linux Foundation Certified System Administrator (LFCS) certification from The Linux Foundation is a comprehensive Linux certification to verify and validate the skills of your Linux operating system. Linux is the number 1 operating system for web servers, cloud computing, smartphones, and consumer electronics. It has grown very rapidly over the years and even Microsoft has fully adopted Linux to run Microsoft Azure cloud workloads.

The IT industry is looking for more and more IT professionals with the ability to manage and administer the Linux operating system. This certification will help you validate these skills to advance your career.

Linux Foundation LFCS Exam Syllabus Topics:

TopicDetails
Topic 1
  • Storage: Linux system administrators delve into configuring and managing Logical Volume Manager (LVM) storage in this section. Core tasks involve managing virtual file systems, creating, troubleshooting filesystems, and leveraging remote filesystems and network block devices. The ability to configure swap space, filesystem automounters, and monitor storage performance is assessed.
Topic 2
  • Operations Deployment: In this topic, Linux system administrators focus on deploying and managing system operations. It covers configuring kernel parameters for both persistent and non-persistent changes, ensuring systems are optimized. Key skills include diagnosing and troubleshooting processes and services, managing job scheduling for automated command execution, and handling software package installations and maintenance.
Topic 3
  • Essential Commands: This topic ensures Linux system administrators are adept at executing essential system commands. Proficiency in basic Git operations, service creation and troubleshooting, and system performance monitoring is critical. Key tasks include determining constraints for applications and services, resolving disk space issues, and managing SSL certificates.
Topic 4
  • Users and Groups: This section assesses Linux system administrators on managing user and group accounts, both locally and via LDAP. The topic includes configuring resource limits, managing personal and system-wide environment profiles, and using Access Control Lists (ACLs). These skills are essential for maintaining secure and efficient user management in a multi-user Linux environment.
Topic 5
  • Networking: This topic hones the Linux system administrator's expertise in configuring IPv4 and IPv6 networking, hostname resolution, and synchronizing system time via time servers. Networking troubleshooting and monitoring are integral, along with configuring OpenSSH for secure connections. Skills in packet filtering, NAT, port redirection, and static routing are emphasized.

Reference: https://training.linuxfoundation.org/certification/lfcs

Linux Foundation LFCS Exam Overview:

Certification Vendor:Linux Foundation
Exam Name:Linux Foundation Certified System Administrator
Exam Number:LFCS
Available Languages:English, Simplified Chinese, German, Japanese
Certificate Validity Period:2 years
Passing Score:67%
Exam Format:Online proctored exam, Performance-based, Hands-on command-line tasks
Exam Price:USD 395
Exam Duration:120 minutes
Real Exam Qty:17-20 performance-based tasks
Related Certifications:Linux Foundation Certified Engineer (LFCE)
Linux Foundation Certified IT Associate (LFCA)
Sample Questions:Linux Foundation LFCS Sample Questions
Exam Way:Online remote-proctored, performance-based examination completed in a Linux command-line environment.
Pre Condition:No prerequisites. Candidates should possess practical Linux system administration skills.
Official Syllabus URL:https://training.linuxfoundation.org/certification/linux-foundation-certified-sysadmin-lfcs/

LFCS Certified Professional Salary

  • England: £53931
  • India: ₹498684
  • Europe: €63290
  • United States: $70,194

LFCS Certification Path

There are no prerequisites for the LFCS

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