Linux Foundation Certified System Administrator (LFCS) is a professional-level Linux Foundation certification exam. The blueprint splits the exam across 5 domains, starting with System Administration, Storage Management, Networking. On exam day you have 120 minutes, in formats such as performance-based. The 20 questions below are free samples written to match that style: answer each one first, then reveal the correct answer and note which topics you miss. The LFCS is rated hard in difficulty, and most candidates prepare with at least 12 months of hands-on experience. Because every answer is revealed in place, you can work through the whole set without leaving this page. Work through all 20 samples before deciding whether to buy the full 139+ question PDF.
Looking for more? Click here to get the full PDF with 139+ practice questions for $10 for offline study and deeper preparation.
Which of the following commands displays the contents of a gzip compressed tar archive?
Which of the following commands changes the ownership of file.txt to the user dan and the group staff?
Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)
What is the output of the following command sequence? for token in a b c; do echo -n "$token "; done
Which of the following commands will print the last 10 lines of a text file to the standard output?
Which of the following commands updates the linker cache of shared libraries?
Which of the following commands reboots the system when using SysV init? (Choose TWO correct answers.)
Which of the following commands moves and resumes in the background the last stopped shell job?
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?
Regarding the command: nice -5 /usr/bin/prog Which of the following statements is correct?
Which of the following commands will write a message to the terminals of all logged in users?
Immediately after deleting 3 lines of text in vi and moving the cursor to a different line, which single character command will insert the deleted content below the current line?
Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)
Instead of supplying an explicit device in /etc/fstab for mounting, what other options may be used to identify the intended partition? (Choose TWO correct answers.)
Which of the following commands will change the quota for a specific user?
Which of the following is the device file name for the second partition on the only SCSI drive?
Which character, added to the end of a command, runs that command in the background as a child process of the current shell?
Which of the following environment variables overrides or extends the list of directories holding shared libraries?
Which of the following kernel parameters instructs the kernel to suppress most boot messages?
Which of the following statements is correct when talking about /proc/?
No. They are original practice questions written to match the format and topic mix of the Linux Foundation Certified System Administrator exam. Treat them as representative practice, not leaked exam content.
This page includes 20 questions, each with its correct answer you can reveal in place. The full study PDF expands that to 139+ questions.
Yes. Open the answer panel under each question to see which option is correct. Answer first, then reveal, so the set works as a self-check rather than a reading exercise.
Not on its own. Use the samples to find weak topics, revise them against the official domains, then work through the full 139+ question set under timed conditions before booking the exam.
Download the complete LFCS study bundle with 139+ questions in a single printable PDF.