This curriculum covers all official exam objectives for the LFCS certification, organized into focused chapters for systematic learning.
This guide works best as a loop: read a chapter, test yourself with practice questions, look up unfamiliar terms in the glossary, then move to the next chapter.
16 chapters covering every exam objective. Each chapter includes key concepts, exam tips, common traps, comparison tables, and a 5-question quiz at the end.
Start Chapter 1Free timed and untimed practice with instant feedback and full explanations. Pick 10–120 questions per session. Filter by domain to drill your weak areas.
Go to practice testEvery LFCSterm defined and searchable. Use it when a chapter mentions a concept you haven't seen before or want a quick refresher on.
Browse glossaryExam blueprint, domain weights, passing score, duration, cost, and registration links. Start here if you're new to this certification.
View exam guideLinux Filesystem Hierarchy and Navigation
Objective 1.1 · Understand and use essential tools for navigating the Linux filesystem
File and Directory Management Commands
Objective 1.2 · Manage files and directories using command-line tools
File Permissions and Ownership
Objective 1.3 · Set and change file permissions, ownership, and special modes
Text Processing and Filtering Tools
Objective 1.4 · Use text processing tools to extract and manipulate data
Process Management and Monitoring
Objective 2.1 · Manage and monitor system processes
User Account and Group Management
Objective 3.1 · Create, modify, and delete user accounts and groups
Password Policies and User Privileges
Objective 3.2 · Configure password aging and manage user privileges
Disk Partitioning and Filesystem Creation
Objective 4.1 · Create, format, and manage disk partitions and filesystems
Logical Volume Management (LVM)
Objective 4.2 · Configure and manage Logical Volume Manager (LVM) volumes
Mounting Filesystems and Using /etc/fstab
Objective 4.3 · Mount and unmount filesystems, configure persistent mounts
Network Interface Configuration
Objective 5.1 · Configure network interfaces and basic networking parameters
DNS and Hostname Resolution
Objective 5.2 · Configure DNS resolution and hostname settings
Firewall Configuration with iptables and firewalld
Objective 5.3 · Configure firewall rules using iptables and firewalld
Network Services and Connectivity Troubleshooting
Objective 5.4 · Use network diagnostic tools and troubleshoot connectivity issues
systemd Service Management and Troubleshooting
Objective 6.1 · Manage system services using systemd and troubleshoot service issues
Time Synchronization with NTP and Chrony
Objective 6.2 · Configure time synchronization using NTP or chrony
Free LFCS practice questions with full explanations. Test what you learn chapter by chapter.
LFCS Practice Questions