QNX
A realtime, network distributed, POSIX-certified, microkernel, multi-user, multitasking, ROMable, fault-tolerant, embeddable operating system that supports TCP/IP, NFS, FTP, the X Window System, Microsoft Windows as a guest process, Ethernet, Token Ring, Arcnet and Watcom ANSI C/C++. Support for Pentium, 486, 386, 286, 80x87. Developed and distributed by QNX Software Systems, Ltd.
OpenQNX: The QNX community portal.
Papers. (128.114.134.19).