comptia-a-plus-core2/quizzes/OS-9-quiz.md
Ken Patmonk 0c3868ea71 quizzes: expand all 35 quizzes to 15 questions each
OPS-1 through OPS-10, OS-2, OS-3 went from 5 → 15.
OS-1, OS-4 through OS-11, SEC-1 through SEC-11, TRB-1 through TRB-4 went from 7 → 15.
Questions cover exam-weight scenarios not duplicated from original content.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-19 02:43:26 -05:00

2.1 KiB

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

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

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

  1. Which command changes file permissions?

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

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

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

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

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

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

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

  1. Which command opens Linux manual/help pages?

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

  1. Which command shows the current working directory in Linux?

A. ls
B. cd
C. pwd
D. cat

  1. Which command changes file ownership in Linux?

A. chmod
B. chown
C. grep
D. find

  1. Which Linux command installs a package on Red Hat/CentOS-based systems?

A. apt install
B. brew install
C. dnf install or yum install
D. dpkg --install

  1. Which command searches for text inside files in Linux?

A. man
B. df
C. grep
D. mount

  1. Which file in Linux defines where file systems are mounted at boot?

A. /etc/passwd
B. /etc/shadow
C. /etc/hosts
D. /etc/fstab

  1. Which Linux command shows disk usage for a specific directory?

A. df -h
B. du -sh /path
C. top
D. man

  1. Which permission string means owner can read/write/execute, group can read/execute, others can read only?

A. rwxrwxrwx
B. rwxr-xr--
C. rw-rw-rw-
D. r--r--r--

  1. Which command shows who is currently logged in to a Linux system?

A. ps aux
B. df
C. w or who
D. grep

Answer Key For Instructor

  1. C
  2. B
  3. D
  4. C
  5. B
  6. D
  7. A
  8. C
  9. B
  10. C
  11. C
  12. D
  13. B
  14. B
  15. C