Mainframe = Unix? (Response Time).(Letter to the Editor)

Enterprise Systems Journal, July, 2002 by Shandro, Steve

I liked Clara Parkes' article ("Business Snapshot: Mainframes," May 2002). I work for the U.S. R&D organization of Software AG (a German company). We began as a mainframe company and then branched out to Unix and other operating systems.

Regarding Clara's article, there are now several contexts around the word "mainframe," depending on which camp you talk to. In the past, the word "mainframe" meant hardware to some; for others, it meant not only hardware, but the OS (non-Unix) that ran on the mainframe. Today, the word means different things to different people. Some even say that the mainframe is back (and they're really angry)! But what does that phrase really mean? 1) The mainframe is back as a viable hardware platform? 2) The mainframe is back running zOS,...

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