Bird
0
0

Identify the error in this command: sudo -u root ls /root

medium📝 Debug Q6 of 15
Linux CLI - Users and Groups
Identify the error in this command: sudo -u root ls /root
AMissing password prompt
BIncorrect use of -u option
CNo error, command is correct
DRoot user cannot run ls
Step-by-Step Solution
Solution:

  1. Step 1: Understand sudo -u usage

    -u root runs command as root user explicitly.

  2. Step 2: Check command correctness

    ls /root lists root's home directory. This is valid with sudo.

  3. Final Answer:

    No error, command is correct -> Option C

  4. Quick Check:

    sudo -u root runs command as root [OK]
Quick Trick: sudo -u specifies user to run command as [OK]
Common Mistakes:
MISTAKES
  • Thinking -u is invalid
  • Expecting password in command
  • Assuming root can't run ls

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Linux CLI Quizzes
File Permissions and Ownership - chgrp (change group) - Quiz 8hard File Permissions and Ownership - Permission notation (rwxrwxrwx) - Quiz 5medium File and Directory Operations - rm -r (remove directories) - Quiz 7medium Linux Basics and Terminal - Linux distributions overview (Ubuntu, CentOS, Fedora) - Quiz 1easy Linux Basics and Terminal - Command structure (command, options, arguments) - Quiz 11easy Navigating the File System - Home directory (~) and shortcuts - Quiz 12easy Users and Groups - whoami and id commands - Quiz 6medium Viewing and Editing Files - Why reading files is constant - Quiz 12easy Viewing and Editing Files - wc (word, line, character count) - Quiz 2easy Viewing and Editing Files - nano text editor - Quiz 10hard