OS-9

(operating system)A real-time operating system written byMicroware Corporation. The original version was writtenabout 1978 for the Motorola 6809 and has since been portedto the Motorola 68000, Intel 80386, Intel 486, and thePowerPC. The kernel of OS-9 is ROMable, modular, with aunified file system, allowing it to easily be scaled up ordown as required.

FAQ.

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Usenet newsgroup: news:comp.os.os9.

OS-9

(1) (OS 9) See macOS.

(2) A Unix-like real-time operating system from Microware LP (www.microware.com) that is widely used in embedded systems. Originally developed as a Motorola 6809 assembly language, the version written in C runs on PowerPC, x86, ARM and other CPUs. OS-9 was also used for CD-I players. The original developer of OS-9 was Microware Systems Corporation, which RadiSys acquired in 2001. In 2013, RadiSys sold OS-9 to Microware LP, a joint venture of the resellers of the software. See CD-I and DAVID.