A directory has permissions drwxrwsr-x. You want to add the sticky bit but accidentally run chmod +t directory and get an error. What is the likely cause?

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Linux CLI - File Permissions and Ownership

A directory has permissions drwxrwsr-x. You want to add the sticky bit but accidentally run chmod +t directory and get an error. What is the likely cause?

AThe filesystem is mounted with 'noexec' option

BYou need root privileges to set the sticky bit

CYou lack write permission on the directory

DThe directory is a symbolic link

Step-by-Step Solution

Solution:

Step 1: Understand sticky bit permission requirements
Setting sticky bit usually requires root or owner privileges.
Step 2: Analyze error cause
If permission denied error occurs, lack of root privileges is a common cause.
Final Answer:
You need root privileges to set the sticky bit -> Option B
Quick Check:
Sticky bit needs root or owner rights [OK]

Quick Trick: Root or owner needed to set sticky bit [OK]

Common Mistakes:

MISTAKES

Assuming write permission is enough
Confusing noexec with sticky bit
Trying to set sticky bit on symlink

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More Linux CLI Quizzes

A directory has permissions drwxrwsr-x. You want to add the sticky bit but accidentally run chmod +t directory and get an error. What is the likely cause?

Step 1: Understand sticky bit permission requirements

Step 2: Analyze error cause

Final Answer:

Quick Check:

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