LFCS - Linux Foundation Certified Sysadmin

The Linux Foundation Certified Sysadmin (LFCS) certification validates hands-on skills in Linux system administration. This is a performance-based exam covering essential commands, networking, storage, operations deployment, and user management in a live Linux environment.

Exam Details

Detail	Value
Format	Performance-based (hands-on)
Duration	120 minutes
Questions	17-20 tasks
Passing Score	67%
Cost	$445
Validity	2 years
Prerequisites	None
Delivery	Online proctored (PSI Secure Browser)
Environment	Live Linux command-line environment

Performance-based Exam

The LFCS exam is hands-on. You will work in a real Linux shell completing practical tasks. No multiple-choice questions. The exam is distribution-independent.

Domain Breakdown

Domain	Weight
Operations Deployment	25%
Networking	25%
Storage	20%
Essential Commands	20%
Users and Groups	10%
Total	100%

pie title LFCS Exam Domain Weights
    "Operations Deployment" : 25
    "Networking" : 25
    "Storage" : 20
    "Essential Commands" : 20
    "Users and Groups" : 10

Exam Tip

Operations Deployment (25%) and Networking (25%) together account for 50% of the exam. Master kernel configuration, process management, job scheduling, software packages, and recovery for Operations. For Networking, focus on IPv4/IPv6 configuration, DNS, time sync, SSH, packet filtering, and routing.

Key Resources

Official Resources

Resource	Description
LFCS Certification Page	Registration, handbook, and exam policies
LFCS Exam Domains	Detailed domain descriptions
killer.sh	Official exam simulator (included with purchase)

Courses

Course	Platform
Linux Foundation Certified Sysadmin (LFCS)	KodeKloud
Linux Essentials for System Administration (LFS201)	Linux Foundation
Linux System Administration (LFS301)	Linux Foundation

Community Resources

Resource	Description
Linux Journey	Free Linux learning resource
TLDR Pages	Simplified man pages for quick reference