20+ practice questions focused on System Management — one of the most tested topics on the CompTIA Linux+ XK0-005 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start System Management PracticeA Linux administrator needs to locate all files in the /var directory that have been modified within the last 30 minutes and are larger than 10MB. Which command accomplishes this task?
Explanation: The find command with -mmin and -size options can locate files based on modification time and size. -mmin -30 finds files modified less than 30 minutes ago, and -size +10M finds files larger than 10MB.
A user reports that a script in /home/user/script.sh fails to execute. The output of 'ls -l script.sh' is '-rw-r--r-- 1 user user 1024 Apr 1 10:00 script.sh'. Which command should be used to make the script executable for all users?
Explanation: The file is currently not executable (rw-r--r--). To add execute permission for all users, use chmod a+x or chmod +x.
A system administrator needs to set the umask so that newly created files have permissions of 644 and directories have permissions of 755. Which umask value should be set?
Explanation: Default base permissions are 666 for files and 777 for directories. To get 644 (rw-r--r--) for files: 666 - 644 = 022. To get 755 (rwxr-xr-x) for directories: 777 - 755 = 022. So umask 022 works for both.
An administrator wants to grant a specific user, 'jdoe', read and write access to a file that is owned by root:root with permissions 640. The administrator does not want to change the file's owner or group. Which approach should be used?
Explanation: ACLs allow granting permissions to a specific user without changing the file's owner or group. setfacl -m u:jdoe:rw file sets read-write ACL for user jdoe.
A user needs to view the first 15 lines of a large log file. Which command is most appropriate?
Explanation: head -n 15 filename displays the first 15 lines of a file.
+15 more System Management questions available
Practice all System Management questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of System Management. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
System Management questions on the XK0-005 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. System Management is tested as part of the CompTIA Linux+ XK0-005 blueprint. Practicing with targeted System Management questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but System Management is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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