PDP-8s and -10s

Also interesting to note that the /other/ great timesharing machines of the pre-Unix* era were also 36-bit: the GE/Honeywell/Bull 600/6000/Level 66/68 running G(e)COS or Multics. ... but then the 32-bit machine came along well after timesharing had become established and it was some time before the '360 family had a decent ability in this field - and by the VAX era the tendancy was to have more systems rather than more users/system. * I wonder what is the largest number of concurrent "tty" users that is reliably reported as having been run on a Unix system. I know that we replaced one GCOS Honeywell dual-processor 66/60 with 3 Unix Gould 6000s to manage about the same number of users (tho' they were increasing their processing demands**) ... but the _purchase_ cost of the Goulds was less than 3 years _maintenance_ for the Honeywell. The joke in those days about an editor that we refused to make available was "Eight Megabytes And Continually Swapping" - nowadays who notices 8 megabytes :-) [unless they're programming PICs!] Andy