The OSTypes table consists of two fields. The following table outlines the OSTypes table structure.
Table Structure
| Field Name | Data Type |
| OSType | Integer |
| OSName | Text |
The following table describes the OSTypes table. The first column contains the static numeric values of supported operating systems listed in the second column. The numerical value is referenced by the Phonebook table.
| OSType | OSName |
| 0 | Windows version 3.1 |
| 1 | Windows 95 |
| 2 | Windows NT |
| 42 | MacOS |