ORVYL is a time-sharing monitor developed by Stanford University for IBM System/360 and System/370 computers, first running in 1967 and 1968. It was one of the first time-sharing systems made available for IBM mainframes, letting multiple interactive users share a single machine rather than submitting jobs in batches. Wylbur is a companion text editor and word processor written to work either together with ORVYL or on its own. Both were written in 360/370 assembly language, ran on IBM S/360 and S/370 systems and their successors, and were eventually discontinued; the earliest versions were distributed as open source before later editions moved to proprietary licensing terms.
Facts
Classification
LicenseProprietary (Closed Source) 1 SignificanceOne of the first time-sharing systems made available for IBM computers. 1 FAQs
Is WYLBUR an operating system?
No. It runs on top of an IBM batch operating system.
Not a full one. WYLBUR is not a full standalone operating system in the mold of the Dartmouth Time-Sharing System or Unix. Instead it runs on top of an IBM batch operating system such as OS/360, SVS or MVS.
Connections
Sources
1. ORVYL and WYLBUR (Wikipedia)
Infobox: released
1967, 1968
Infobox, Working state
Discontinued
Infobox, License
Originally public domain; the later proprietary versions had distinct licenses
Infobox: license
Originally public domain; the later proprietary versions had distinct licenses
Lead paragraph
ORVYL was one of the first time-sharing systems to be made available for IBM computers.
- In Group: Research and Academic Operating Systems, developed by Stanford University time-sharing monitor for IBM System/360 and System/370
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