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(operating system)
A real-time operating system written by Microware Corporation. The original version was written about 1978 for the Motorola 6809 and has since been ported to the Motorola 68000, Intel 80386, Intel 486, and the PowerPC. The kernel of OS-9 is ROMable, modular, with a unified file system, allowing it to easily be scaled up or down as required.


User Group.

Usenet newsgroup: news:comp.os.os9.


(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.
References in periodicals archive ?
The software runs on Mac OS9, Mac OS X and Windows platforms (98/ME/2000/XP), and is used by home users, hobbyists and professionals alike.
1, and Apple(R) OS9 and OS10 Mass Storage Class drivers.
1 interface for 500 kilobyte/second downloads -- 64MB of internal flash memory, plus a SmartMedia socket for flash upgrades -- Software drivers for Microsoft Windows 98SE, Windows ME, Windows 2000, Windows XP, & Mac OS9 -- Energy Saving Dynamic Power Management -- up to 12 hours with 1 AA battery
JumpDrive Trio requires no drivers for modern operating systems such as Windows 2000, ME, XP and Mac OS9 and X.
2 is compatible with Apple's FireWire G3, G4, iMac, PowerBook, and iBook computers and works on OS9 and OSX platforms.
Kiel, Germany -- Kiel, Germany, December 16 /PRNewswire/ -- - LaserSoft Imaging has now readied support for all Heidelberg desktop scanners, so users can upgrade their current software to SilverFast Ai for Macintosh OS9, OS 10.