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A system call is a routine which lies within the program itself to request a specific service from the OS kernel. Ms Word uses a system call routine to run spooler.exe when the print command is clicked. internet Explorer uses a system call routine to open port 80 (HTTP) to access the internet. A few system call commands are Get, Open, Read, Query, Save, Write...etc. Mind you, I'm not a programmer so that's the best I can do! LOL :-)

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