comptia-a-plus-core2/quizzes/OS-9-quiz.md

OS-9 Quiz: Linux Client Tools

Take this after studying notes/OS-9-linux-client-tools.md.

Reply with answers like: 1B 2A 3D 4C 5B 6A 7D

Questions

1. Which Linux file lists local user accounts?

A. /etc/resolv.conf
B. /etc/fstab
C. /etc/passwd
D. /etc/hosts

2. Which Linux file stores password hashes and is normally protected?

A. /etc/hosts
B. /etc/shadow
C. /etc/os-release
D. /etc/fstab

3. Which command changes file permissions?

A. grep
B. df
C. dig
D. chmod

4. Which command shows live CPU, memory, and process activity?

A. pwd
B. cp
C. top
D. cat

5. Which command shows mounted file systems and free space in human-readable units?

A. du -h
B. df -h
C. ls -l
D. mv

6. Which package manager is common on Debian and Ubuntu-based Linux distributions?

A. dnf
B. regedit
C. diskpart
D. apt

7. Which command opens Linux manual/help pages?

A. man
B. mount
C. sudo
D. find

Answer Key For Instructor

1. C
2. B
3. D
4. C
5. B
6. D
7. A