[Solved] What will be the output of ls -l myfile.txt after running sudo chown john:staff myfile.txt? — Ans: -rw-r--r-- 1 john staff 1234 date myfile.txt | Linux CLI

Linux CLI - File Permissions and Ownership

What will be the output of ls -l myfile.txt after running sudo chown john:staff myfile.txt?

A-rw-r--r-- 1 john staff 1234 date myfile.txt

B-rw-r--r-- 1 root root 1234 date myfile.txt

CPermission denied

DNo such file or directory

Step-by-Step Solution

Solution:

Step 1: Understand the effect of chown john:staff
This command changes the owner to 'john' and group to 'staff' for 'myfile.txt'.
Step 2: Predict ls -l output
The output shows permissions, number of links, owner, group, size, date, and filename. Owner and group will be 'john' and 'staff'.
Final Answer:
-rw-r--r-- 1 john staff 1234 date myfile.txt -> Option A
Quick Check:
Owner/group changed = C [OK]

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

Common Mistakes:

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What will be the output of ls -l myfile.txt after running sudo chown john:staff myfile.txt?