| pwd | Print working directory |
| cd | Change directory |
| mkdir | Make a new directory |
| rmdir | Remove directory |
| ls | List the contents of a directory |
| cp | Copy files and directories |
| mv | Move (rename) files and directories |
| rm | Remove files or directories |
| cat | Concatenate files |
| more | View a file in the terminal |
| less | Like more but can go backwards |
| lp | Print a text file on the lineprinter |
| man | Display an on-line manual page |
| info | Read info documents |
| od | Octal dump |
| chmod | Change file access permissions |
| wc | Word count |
| grep | Print lines matching a pattern |
| find | Search for files in a directory hierarchy |
| ps | Report process status |
| kill | Terminate a process |
| p1 | p2 | Pipe: connect output from p1 to input of p2 |
| < file | Redirect standard input from file |
| > file | Redirect standard output to file |
| 2> file | Redirect standard error to file |
| >> file | Append standard output to file |
| 2>> file | Append standard error to file |