Landmark Service Diagnostics (1992) 0 Utility DOS

Landmark Service Diagnostics is a set of professional, exhaustive diagnostic tool for testing all aspects of IBM PC 8088, 286, 386, and 486 compatible computer systems. It includes hundreds of powerful and flexible tests that check motherboards, RAM, video, COM ports, floppy drives, hard drives, and printers.

• 2.x

WordPerfect Office (Groupware) (1990) 0 Utility Editor PIM DOS

WordPerfect Office, from WordPerfect Corp, is a groupware utility that includes a menu shell, text editor, calendar, calculator, notebook, and file manager. It is unrelated to the later Corel office suite by the same name. Earlier versions were known as WordPerfect Library.

• 3.0