Linux CLI - File Permissions and Ownership
You want to set a file permission so that the user has all permissions, the group can read and execute only, and others have no permissions. Which permission notation should you use?
You want to set a file permission so that the user has all permissions, the group can read and execute only, and others have no permissions. Which permission notation should you use?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Define permissions for each group
User: all permissions =rwx
Group: read and execute =r-x
Others: no permissions =---Step 2: Combine the permission groups
Concatenate user, group, others:rwx+r-x+---=rwxr-x---Final Answer:
rwxr-x--- -> Option AQuick Check:
User=all, Group=read+execute, Others=none [OK]
Quick Trick: Write permissions group by group: user, group, others [OK]
Common Mistakes:
MISTAKES- Giving others permissions when none required
- Confusing write and execute for group
- Mixing order of permission groups
Master "File Permissions and Ownership" in Linux CLI
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