Pages in category "DEC operating systems" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes.

Digital Equipment Corporation (DEC / dɛk / ⓘ), using the trademark Digital, was a major American company in the computer industry from the 1960s to the 1990s. The company was co-founded by Ken Olsen and Harlan Anderson in 1957. Olsen was president until he was forced to resign in 1992, after the company had gone into precipitous decline.

2023年10月6日 · In 1977, DEC introduced the VAX, a new line of minicomputers that featured a 32-bit instruction set architecture and virtual memory. Its operating system, VMS, was a multi-user, multitasking OS...

DECsystem was a line of server computers from Digital Equipment Corporation. They were based on MIPS architecture processors and ran DEC's version of the UNIX operating system, called ULTRIX. They ranged in size from workstation-style desktop enclosures to …

2023年2月6日 · Based loosely on RSX-11, it was the primary first-party OS for VAX, and later Alpha DEC platforms. It still exists, having been ported to Itanium by Compaq/HP, and later divested byHP and now ported to x64 by VMS Inc. Dave Cutler, the lead developer for VMS, later left DEC and worked for Microsoft.

OpenVMS is a server operating system, originally developed by Digital Equipment Corporation (DEC) as VMS. It was enhanced by Compaq, HP(E), and is now licensed to VMS Software, Inc. that ported OpenVMS to industry-standard Intel and AMD x86-64 CPU architecture, enabled virtualization, and released several updates for Integrity and Alpha.

2023年9月14日 · DEC OSF/1 is an operating system built on the Mach kernel by Digital Equipment Corporation during the 1980s through the early 1990s. Versions 1 and 2 were intended for MIPS and DEC Alpha AXP architectures. It was renamed to Digital UNIX in 1995, as well as dropping support for the MIPS architecture.

2023年6月21日 · DEC Batch-11 – an operating system created by the Digital Equipment Corporation (DEC). The first version of DOS-11 was released in 1970 and was the first operating system to run on the Digital PDP-11 minicomputer.

This category covers operating systems written by DEC for their machines; for operating systems written by others to run on DEC architectures, see Category: Non-DEC Operating Systems.