You tried to add a user with useradd bob but got an error 'useradd: command not found'. What is the likely cause?

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Linux CLI - Users and Groups

You tried to add a user with useradd bob but got an error 'useradd: command not found'. What is the likely cause?

AThe username 'bob' is already taken

BYou typed the command incorrectly; it should be 'adduser bob'

CThe system does not support user accounts

DYou need to run the command as root or with sudo

Step-by-Step Solution

Solution:

Step 1: Analyze the error message
'command not found' means the shell cannot find the useradd command in your path or permission is denied.
Step 2: Check permissions and command availability
Adding users requires root privileges; running without sudo or root causes this error.
Final Answer:
You need to run the command as root or with sudo -> Option D
Quick Check:
Permission needed for useradd = You need to run the command as root or with sudo [OK]

Quick Trick: Use sudo before useradd to avoid permission errors [OK]

Common Mistakes:

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