| ls | List directory contents |
| cd | Change the shell working directory |
| pwd | Print name of current/working directory |
| cat | Concatenate files and print on the standard output |
| cp | Copy files and directories |
| mv | Move (rename) files |
| mkdir | Make directories |
| rm | Remove files or directories |
| grep | Print lines that match patterns |
| find | Search for files in a directory hierarchy |
| chmod | Change file mode bits |
| chown | Change file owner and group |
| tar | An archiving utility |
| df | Report file system disk space usage |
| top | Display Linux processes |
| ps | Report a snapshot of the current processes |