Article View: comp.os.msdos.programmer
Article #2459Re: Child processes in Mess-Dos
From: Richard Reiner
Date: Sat, 29 Sep 1990 19:32
Date: Sat, 29 Sep 1990 19:32
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kdq@demott.COM (Kevin D. Quitt) writes: >In article <1990Sep28.234836.17868@gpu.utcs.utoronto.ca> sarathy@gpu.utcs.utoronto.ca (Rajiv Sarathy) writes: >> >>Others were under the impression that spawn and exec load an additional >>copy of COMMAND.COM. I didn't test to see if this is true, but I doubt it. > If you doubt it, make your comspec=a:\command.com and see how slowly >your program comes up. I've just gone through that exercise. I've done one better: I wrote a little program that spawned a memory mapper as its child. The resulting map clearly shows that there is *no* copy of command.com loaded by spawn(). --richard
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!wuarchive!cs.utexas.edu!news-server.csri.toronto.edu!torsqnt!lethe!yunexus!rreiner From: rreiner@yunexus.YorkU.CA (Richard Reiner) Newsgroups: comp.os.msdos.programmer Subject: Re: Child processes in Mess-Dos Message-ID: <15651@yunexus.YorkU.CA> Date: 29 Sep 90 19:32:00 GMT References: <1990Sep28.234836.17868@gpu.utcs.utoronto.ca> <619@demott.COM> Organization: York U. Computing Services Lines: 15