| pwd | Name and path of the current working directory. |
| mkdir dirname | Creates a new directory. |
| rmdir dirname | Removes a directory. [directory must be empty] |
| rm -r dirname | Removes a directory and its contents. |
| rm filename | Removes file |
| mv | Moves the file from one directory to another |
| cd | Change the current directory |
| cd .. | Go to directory level down |
| cd / | Go to the main directory (root) |
| chmod | Change file permission |
| chown | Change to file owner and group |
| shutdown | Shuts down Linux |