> REGION=0K requests only one-thousandth as much as REGION=0M.

Does SPACE=(TRK,0) allocate only 1/15 as much DASD as SPACE=(CYL,0)?

Charles

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf
Of Paul Gilmartin
Sent: Thursday, May 26, 2011 4:38 PM
To: IBM-MAIN@bama.ua.edu
Subject: Re: Antwort: Differences between REGION=0K and REGION=0M

On Thu, 26 May 2011 10:24:31 +0200, Michael Klaeschen wrote:

>See chapter 16.13.2 of MVS JCL Reference. IBM's explanation there does 
>not differ between 0K and 0M. However, I think you can intercept with a 
>JES exit and may be even IEALIMIT/IEFUSI.
>
REGION=0K requests only one-thousandth as much as REGION=0M.

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