| Required | man | Online manuals |
|---|---|---|
| Specific Options | dict | Word lists |
| doc | Documentation | |
| games | Static data files for /usr/games | |
| info | GNU Info system s primary directory | |
| locale | Locale information | |
| nls | Message catalogs for Native language support | |
| sgml | SGML data | |
| terminfo | Directories for terminfo database | |
| tmac | troff macros not distributed with groff | |
| xml | XML data | |
| zoneinfo | Timezone information and configuration |