Hewlett-Packard's Unix implementation, based on System V Release 3, with Berkeley extensions added.
HP-UX is the version of UNIX designed by Hewlett-Packard to work with their PA-RISC and 68xx based machines.
Hewlett-Packard’s version of Unix, running on HP-9000 computers.
Hewlett-Packard's Unix implementation, based on the System V operating system with real-time extensions added. See System V.
HP-Unix - HP version of the UNIX Operating System.
Hewlett-Packard's System V-based Unix implementation, with real-time extensions added.
The version of UNIX running on Hewlett-Packard workstations.
HP-UX (Hewlett Packard UniX) is Hewlett-Packard's proprietary implementation of the Unix operating system, based on System V (initially System III). It runs on their PA-RISC range of processors and Intel's Itanium processor, and was also available for later Apollo/Domain systems. Earlier versions also ran on the HP 9000 Series 200, 300, and 400 computer systems based on the Motorola 68000 series of processors, as well as the HP 9000 Series 500 computers based on HP's proprietary FOCUS processor architecture.