| Command | Command name or qualified command phrase. | 
| user input | Commands and other text that you type. | 
| computer output | Text displayed by the computer. | 
| Enter | The name of a keyboard key. Note that Return and Enter both refer | 
| 
 | to the same key. A sequence such as Ctrl+A indicates that you must | 
| 
 | hold down the key labeled Ctrl while pressing the A key. | 
| variable | The name of an environment variable, for example PATH or errno. | 
| value | A value that you may replace in a command or function, or information | 
| 
 | in a display that represents several possible values. | 
| find(1) | |
| 
 | “1” is the manpage section. | 
114 Support and other resources
