Linux CLI - File Permissions and Ownership
You want to allow a group to modify a file but not execute it. Which chmod command sets read and write permissions for the group only, leaving others unchanged?
You want to allow a group to modify a file but not execute it. Which chmod command sets read and write permissions for the group only, leaving others unchanged?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand chmod symbolic mode
"g=rw" sets group permissions to read and write only, removing execute if present.Step 2: Check other options
chmod g+rwx file.txt adds execute permission, which is not wanted. chmod o=rw file.txt changes others' permissions, and chmod u=rw file.txt changes user permissions.Final Answer:
chmod g=rw file.txt -> Option BQuick Check:
g=rw sets group read/write only [OK]
Quick Trick: Use g=rw to set group read/write without execute [OK]
Common Mistakes:
MISTAKES- Using g+rwx adds execute permission
- Changing user or others instead of group
- Using + instead of = to overwrite permissions
Master "File Permissions and Ownership" in Linux CLI
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