SetUID:

• Allows a file to run with the owner’s permissions.

• Command: chmod u+s [filename]

• Example: chmod u+s /usr/bin/passwd

SetGID:

• Allows a file to run with the group’s permissions.

• Command: chmod g+s [directory_name]

• Example: chmod g+s /shared_folder

Sticky Bit:

• Restricts file deletion in shared directories to the file owner.

• Command: chmod +t [directory_name]

• Example: chmod +t /shared_folder