Just passed the LFCS exam; some tips

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I just passed my LFCS exam with a perfect score and just wanted to give some tips for others pursuing this certificate.

  1. PRACTICE!!! the only way to really understand the tools and what they do is by running them. You can read as much as you want, but if you don’t have affinity with the commands and arguments you’ll struggle a lot and will take forever. I followed the PASS4SUREXAMS course and did all the practice exams and Linux challenges they offer.
  2. Learn how to search for a command. If you need to change some ACL stuff but forgot the commands, use something like man -k acl to find all commands with acl in their name or description. If you are particularly lost, you can run the command with capital K (man -K acl) to also search the contents of the man pages.
  3. Install the tldr package as soon as you start the exam. This gives you handy oneliners for almost every command you’ll need to know. I.e. tldr find
  4. Learn how to navigate the man pages – understand their layouts and use case-insensitive searching (-i)
  5. Take your time reading the questions. This is a no-brainer, but this was consistently the reason I failed certain questions in the practice exams and is the easiest to avoid.

That’s all, good luck!