Directory Management
- mkdir creates directory.
- -p creates path directories and suppresses error messages.
- rmdir removes empty directories.
- -p removes directories in path.
- -r option often not supported.
Ownership and Permissions
- chown -R user file(s)
- chown -R user:group file(s)
- chgrp -R group file(s)
- chmod -R 755 file(s)
- chmod -R u=rwx,go=rw file(s)