Ed,

I'm fairly sure Paul was referring to the original "IBM PC-type" (although 
pre-dating the IBM PC) operating system from Microsoft.

This had "pipes" but they weren't really pipes. Instead of passing each piece 
of output to the next process, so that multiple processes are all active, 
greatly reducing the elapsed time, MS-DOS, when using a pipe, would write all 
output from the first process to a temporary file, which, once the first 
process was complete, would be used as input to the second process, and so on.


On Friday, 5 February 2016 10:58:09 UTC, Ed Gould  wrote:
> Bill:
> 
> There was a product from IBM called PCF and it would let you string  
> out tso commands with a ";" between each command and you could do  
> what you are talking about I just remembered it a 445A . ex:  alloc  
> (systut1)da(in.contl) shr;alloc (sysut2) da(out.data) new sp(1 1)  
> trk;alloc fi(sysin) dummy;alloc fi(sysprint) da(*);call 'sys1.linklib 
> (iebgener)'
> Is this what you are talking about?
> 
> Ed
> 
> 
> It did a lot of things for a small package to bad it was discontinued.
> 
> Ed
> 

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