ULTRIX é um sistema baseado no UNIX feito pela DEC. ULTRIX foi substituido pelo Digital UNIX.
Tipo de SO: proprietary UNIX
“ULTRIX is a 4.2BSD based UNIX operating system with enchancements from 4.3BSD and System V Release 2. It also includes a variety of enchancements specific to Digital hardware systems.” — Alan Rollow
Data de lançamento:
Versão corrente: V4.5
“Depends on the target hardware, but generally; expensive. Unfortunately, the last “powers that be” in Digital priced it so that the few license sales would generate enough income to offset the development costs.“ — Alan Rollow
VAX, MIPS
“ULTRIX runs on VAX and MIPS (R2000, R3000 or R4000 series)” — Joshua Cope
“O-VMS should run on any of the VAXen, including MicroVAX, VAXStation, and VAXServer after the MicroVAX 1. Ultrix will run on all the above, plus any of the DECStation line.” — Bruce Lane
Número máximo de processadores: 6 (em alguns modelos VAX 6000)
Kernel: “baseado no Berkeley 4.2BSD com melhoramentos do 4.3BSD e sistema V Release 2.” — Alan Rollow
POSIX: compativel
Periféricos: “Refer to the Software Product Description for the complete list of supported devices by system. Not all systems support all devices, though some offer considerable overlap.” — Alan Rollow
Ficheiros de sistema suportáveis:
- file systems can read/write: UFS (RW), NFS (RW)
- file systems can read: ISO 9660 (R)
Motor de gráficos: “X10 ou X11 dependendo da versão” — Alan Rollow
Operador de interface(texto): UNIX shells
Operador de interface(gráfico): “X10 em versões antigas. DECwindows versões intermédias. Motif em versões correntes.” — Alan Rollow
http://www.digital.com/info/SP2640/
http://gatekeeper.dec.com:/pub/DEC
