A network consists of a server and one or more workstations. MS-DOS maintains an assign list to keep track of which workstation disk drives and devices have been redirected to the server.
Following are the MS-DOS network functions:
| Function | Description | Version |
| 4409h | Is Drive Remote | 3.1 |
| 440Ah | Is File or Device Remote | 3.1 |
| 5E00h | Get Machine Name | 3.1 |
| 5E02h | Set Printer Setup | 3.1 |
| 5E03h | Get Printer Setup | 3.1 |
| 5F02h | Get Assign-List Entry | 3.1 |
| 5F03h | Make Network Connection | 3.1 |
| 5F04h | Delete Network Connection | 3.1 |