Why This Cheat Sheet Matters for LINUXPLUS
This cheat sheet covers the most important Linux Administration concepts tested on the LINUXPLUS (Linux+) certification exam. It contains 1 sections with 8 key points. Use this as a quick-reference guide during your final review sessions.
1Sections
8Key Points
Key Commands
- systemctl start|stop|enable|status <service> — manage systemd services.
- journalctl -u <service> -f — view service logs, follow new entries.
- chmod 755 file — set permissions (owner rwx, group rx, others rx).
- find / -name "*.conf" -type f — find files by name.
- grep -r "pattern" /etc/ — recursive text search.
- df -h / du -sh — disk space usage.
- ip addr show / ss -tulnp — network config / listening ports.
- tar czf archive.tar.gz dir/ — create compressed archive.
Practice Linux Administration Questions
Put your knowledge to the test with practice questions.
CompTIA Acronym Quick Reference
CompTIA exams are packed with acronyms — memorising key acronyms and their meanings is critical. Each exam has an official list of acronyms in the exam objectives document. Focus on acronyms that appear across multiple domains, as these represent the most frequently tested concepts. Our flashcard decks are designed to drill these acronyms efficiently.