[HECnet] RSX or RSTS

[John Forecast]

> On Mar 22, 2020, at 12:42 PM, Paul Koning <paulkoning at comcast.net> wrote:
> 
> 
> 
>> On Mar 22, 2020, at 11:57 AM, Robert Armstrong <bob at jfcl.com> wrote:
>> 
>>> Paul Koning <paulkoning at comcast.net> wrote:
>>> It's the base level designation.
>> 
>> Thanks, Paul.  So did the base level releases come before the real
>> release, as in something like alpha test, beta test, field test, etc?  That
>> would that mean that "10.1" (no letter) is a later release than "10.1L"?
>> 
>> Or was it the other way around - the base levels were issued after the
>> main release ?  In that case 10.1L is later than 10.1?
> 
> No, the base levels were during the development cycle.  So the first internal checkpoint would have bee 10.1A, beta might have been 10.1G or something like that, and production release a few baselevels later so L.  The release would get whatever base level designation applied to the final baselevel of the release cycle.
> 
> There was also a DEC convention, I don't remember if RSTS used it but I know RT11 did it at least at one time, which is to use the V prefix for production releases, X for internal development baselevels, and Y for beta.  I have tucked away a copy of RT11 Y02-20, so a beta snapshot of the V2 release.
> 
> 	paul
> 

The RSX family also used base level for describing both internal and external releases although the actual naming conventions differed between the various products:

	RSX-11M-PLUS V4.6  BL87   2044.KW  System:"RSXMPL"

	1920K (word) IAS Version 3.4A Baselevel 3414

  John.

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