Enterprise / Mainframes
Closed source with open source components
operativsystem
sistema operativo
Java, C, C++, COBOL, PL/I, HLASM, FORTRAN, REXX, and many others
Version 3.1
64-bit operating system for IBM mainframes
ISPF, z/OS Management Facility
Current
système d'exploitation
operacijski sistem za osrednje računalnike IBM
MVS, UNIX System Services
system operacyjny
besturingssysteem van IBM
sistema operatiu
operačný systém
प्रचालन तन्त्र
sistem de operare
z/OS
Proprietary monthly license charge ; pricing available based on actual use ; reduced pricing options for many applications
primarily PL/X, HLASM, and C/C++
Betriebssystem
operační systém
käyttöjärjestelmä
The z/OS welcome screen as seen through a terminal emulator. This classic interface is still available but Web access is common.
IBM logo.svg
ਆਪਰੇਟਿੰਗ ਸਿਸਟਮ
ഓപ്പറേറ്റിങ്‌ സിസ്റ്റം
styresystem
English and other languages
Z/OS