Linux Foundation Certified System Administrator (LFCS)
LFCS validates the skills of a Linux system administrator: essential command-line work, operating running systems, user and group management, networking, service configuration, and storage management. This simulator uses scenario and command-oriented questions with a per-domain scored report.
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Start LFCS examSkills measured
Essential Commands
25%Shell, file and text tools, permissions, links, archives, and process basics.
Operation of Running Systems
20%Boot process, systemd targets, process management, logging, and scheduling.
User and Group Management
10%Creating and managing users, groups, sudo, and password policies.
Networking
12%Interface configuration, routing, DNS, firewalls, and network troubleshooting.
Service Configuration
20%systemd services, SSH, web and mail services, time sync, and container basics.
Storage Management
13%Partitions, filesystems, LVM, RAID, mounting, quotas, and swap.