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This quiz evaluates essential Linux system administration skills at the college level. It covers user and group management, file permissions, process control, package management, networking basics, and system monitoring. Ideal...

Questions: 15 | Attempts: 16 | Last updated: Jul 15, 2026

Sample Question 1
Which command displays the current user and their user ID (UID)?

Whoami

Id

Pwd

Uname

Sample Question 2
In octal notation, what do the three digits in file permissions 755 represent?

Owner, group, other

Read, write, execute

User, system, world

File, directory, link

Sample Question 3
Which command changes the owner of a file or directory?

Chmod

Chown

Chgrp

Chattr

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