A
real-time,
multi-user,
multitasking operating system developed by Microware Systems Corporation. Originally, OS-9 was a joint effort between Microware and Motorola. In the 1980’s, Microware ported OS-9 to the Motorola 680×0 family of microprocessors, creating OS-9/68000, which is used in a variety of industrial and commercial arenas, including Philips’
CD-I and, most recently,
WebTV boxes.