Figure 6: Network diagram

+------------------+       +-----------------+
| MS-DOS 6.0       |       | OS/2 2.1        |
| FTP PC/TCP 2.2   |       | FTP PC/TCP 1.3  |
+------------------+       +-----------------+
|                          |
[modem]                    [modem]


[modem]
|
|  [modem]
|   |
|   |  [modem]
|   |    |  +----SLIP-----+          [modem]
|   |    |    |             |          |
+------------------+       +------------------+
| SCO Open Desktop |       | SCO Open Desktop|
| Release 2.0      |       | Release 3.0      |
| Morningstar PPP  |       | SCO PPP 1.2.1    |
+------------------+       +------------------+

---------------------------------------------------------------------
Ethernet