RE: Re: GCIC Full screen applications - Update

Actually, we're both correct.

OS/VS1 (the successor to MFT)  only supported a single  virtual address space and OS/SV2 SVS (the successor to MVT) supported a single virtual address space. OS/VS2 SVS was supposed to be a stopgap measure til the release of OS/VS2 MVS.

Joe

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Dick Thiebaud
Sent: Thursday, October 07, 2010 10:40 AM
To: [email protected]
Subject: Re: [H390-VM] Re: GCIC Full screen applications - Update

No, OS/VS1 was the VS equivalent of MFT and OS/VS2 was the VS equivalent of MVT.  SVS was OS/VS2 release 1 and MVS was OS/VS2 release 2.

On 10/7/2010 11:28 AM, Joe Monk wrote:
>> MVS was apparently called OSVS2 by some heathens:
>
> Actually, OS/VS2 was the first release of OS that supported multiple 
> virtual storage spaces. Prior to that was SVS, or Single Virtual Storage (OS/VS1).
>
> Everything that is known today as z/os, mvs, etc. has its roots in OS/VS2.
>
> Joe
>
>
>
>
> ________________________________
> From: kerravon86<kerravon86-/[email protected]>
> To: [email protected]
> Sent: Thu, October 7, 2010 8:42:40 AM
> Subject: [H390-VM] Re: GCIC Full screen applications - Update
>
> --- In [email protected], "Rocky"<rocsystems@...>  wrote:
>>
>> When you hit save it writes the file to a  temporary file and then 
>> copies the file to your real destination file.
>
> Ok, it will be interesting to see what SVCs are used in the above. Or 
> even what filename.
>
>> The other batch program (ROCZAP) if I can find it – will read a file, 
>> do a ver and a rep at a specific record and offset and then either  
>> rewrite the file as is or copy it.
>
> There's no need to look for that for me, if that's what you're doing. 
> I already have what I need for that. What I don't have is an editor.
>
>> Never worked n such an old system and I am looking for documentation 
>> right now – Something comparable to authorized assembler services for 
>> that version.
>
>> Any body have any suggestions where to find references for 3.8 system 
>> stuff etc..
>
> Here are some:
>
> http://www.prycroft6.com.au/misc/
> http://www.bitsavers.org/pdf/ibm/370/
>
>> I browsed bitsavers a bit but did not find anything like an MVS3,8 
>> directory
>
> MVS was apparently called OSVS2 by some heathens:
>
> http://www.bitsavers.org/pdf/ibm/370/OS_VS2/
>
>> For instance I don't even know how to call a tso command or execute 
>> an exec from a command processor in 3.8
>
> Bearing in mind that you can write in C on MVS 3.8j, it means that the 
> C library has been implemented, which means that most things that you 
> would say "well how would I normally do that in C", have a ready-made 
> answer:
>
> http://pdos.cvs.sourceforge.net/viewvc/pdos/pdos/pdpclib/mvssupa.asm?v
> iew=markup
>
> Also remember that most of the MVS source code is available, so 
> grepping that can often provide clues.
>
> BFN.  Paul.
>
>
>
>
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