[Info-vax] RMS intro

[Dan Cross]

In article <kvj3t3Fbk87U1 at mid.individual.net>,
bill  <bill.gunshannon at gmail.com> wrote:
>On 1/2/2024 12:41 PM, Dan Cross wrote:
>> In article <umvlnj$2cmas$1 at dont-email.me>,
>> Arne Vajhøj  <arne at vajhoej.dk> wrote:s.
>> 
>>> And they have known about both concepts for a long
>>> time. WSL1 concept goes back to 90's - Win32 API on
>>> top of NT kernel and Win9x kernel.
>> 
>> Not really, but the basic concept of emulating a system
>> interface on another system goes much further back than
>> that; e.g., PA1050 on TOPS-20, or the DTSS environment on
>> Multics.
>
>And lets not forget The Software Tools Virtual Operating System
>in 1980 that gave you a bunch of the Unix API on everything from
>CP/M to Exec-8 on the Univac 1100 including all of the DEC systems
>of the time.  :-)

Indeed!  Though that was more about a suite of useful
functionality for source-level compatibility, more than running
unmodified binaries on compatible machines.

	- Dan C.