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What does an OS/390 or z/OS IPL do

 
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vodkasoda

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Joined: 14 Jul 2006
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Location: Clara, Co Offaly, Ireland

PostPosted: Fri Jul 14, 2006 1:59 am    Post subject: What does an OS/390 or z/OS IPL do
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Now, that's quite misleading really, as I know exactly what an IPL is and what it does ... what I'm looking for is a plain English, detailed explanation ... something along the lines of

"The operator initiates an IPL by manually ??? on the MVS Consloe. This forces the system to shutdown and instigate a warm (I think) re-start. As the machine boots up it ........."

Any links or help appreciated ... and it's not a homework question, I'm 47 !!!
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rajarajeswari

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Joined: 25 Aug 2006
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Location: Bangalore

PostPosted: Tue Sep 05, 2006 4:29 am    Post subject: What does an OS/390 or z/OS IPL do ... in English ?
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Hi

IPL is an initial program load ,is a process of loading OS from disk to central storage and executing it.

Links:- ibm.com/redbooks
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vindhya_kothakonda

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Joined: 18 Jun 2006
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PostPosted: Wed Sep 06, 2006 9:30 pm    Post subject: Hi
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IPL is inittiated manually we bring down all the subsytems and reload and then make the subsytems up of course practically means less but u need to know lot theoritically


refer to ABCs of OS390 systemprogramming volume2
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