What is sticky bit?

- Permission that protects the files in a directory is called sticky bit.

- If a file is set with a sticky bit, then it can only be deleted or renames by the owner of the file or directory.

- The sticky bit prevents a user from deleting the files of the others.

- Octal value of the sticky bit is 1 .

- Sticky bit is implicitly set in general but should be set manually in case of TMPFS file system.