Apr 10, 2020 · IBM introduced the 3270 family of block mode terminals in 1971, for use with IBM mainframes (System/370 and successors). Then, in 1977, IBM introduced the 5250 family of block …

Feb 3, 2018 · Using a 3270 emulator, start a telnet session to port 3270 for device 010. This is the OS master console. It must be defined and connected at IPL, or the IPL will hang. The first instruction …

Mar 5, 2018 · The SABRE reservation system introduced 'smart' terminals, or at least semi-smart, block mode terminals (like 3270, but ALC bisync multidrop protocol) such as the Sperry Unimatic in the mid …

8 When using a pre-built system image such as the "VM/370 sixpack" or "MVS Tur (n)key" under Hercules, when a user connects a 3270 terminal, a login screen comes up with a banned identifying …

Feb 5, 2021 · Once the IBM 3270 video terminals were introduced, of course SABRE would have started using those, but they were only introduced in 1971. What did it use for user interface before then? If …

Jan 21, 2019 · 3270 Emulation When I was at the University of Maryland, College Park in the early 1980s, there were some Vaxes, a Univac 1100/80 and some other non-IBM large systems, and there …

Jan 11, 2022 · While the 3270 offered a great way to offload low-level interactivity (aka editing) without leaving the basic terminal paradigm, later development stopped them being terminals but rather …

Nov 25, 2020 · I don't know what environment they installed to run their software on the HP. The vendor did all the work. For all I know it was just raw COBOL with an IBM compatible runtime running on top …

Mar 22, 2019 · 6 The web didn’t exist back then, but some of IBM’s 3270 terminal keyboards had forward and back keys; for example the keyboard provided with the 3279 terminal in 1979 (look at …

Feb 3, 2018 · Technically the gold standard of all CRT based terminals, the 3270, did not display 24 but 25 lines. Just this 25th line was (usually) not accessible to user programs, as it held status …