What will be the output of the command ls -l file.txt after running chown bob file.txt assuming file.txt was owned by user alice before?

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Linux CLI - File Permissions and Ownership

What will be the output of the command ls -l file.txt after running chown bob file.txt assuming file.txt was owned by user alice before?

A-rw-r--r-- 1 bob users 0 Apr 1 12:00 file.txt

B-rw-r--r-- 1 alice users 0 Apr 1 12:00 file.txt

Cchown: invalid user: 'bob'

DPermission denied

Step-by-Step Solution

Solution:

Step 1: Understand what chown bob file.txt does
This command changes the owner of file.txt to user bob.
Step 2: Predict the ls -l output
The owner field will show bob instead of alice. Permissions and group remain the same.
Final Answer:
-rw-r--r-- 1 bob users 0 Apr 1 12:00 file.txt -> Option A
Quick Check:
Owner changes to bob after chown [OK]

Quick Trick: ls -l shows updated owner after chown [OK]

Common Mistakes:

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