On Sun, 5 Jan 2014 14:49:41 -0500, Gerhard Postpischil wrote: >On 1/5/2014 10:29 AM, Lizette Koehler wrote: >> I found this on the web for z/OS V2.1. It might help with some of the >> changes coming up with this version >> > http://www-03.ibm.com/systems/data/flash/dk/resources/ITSO/IBM_z-OS_v2.1_Technical_Update_-_Marna_Walle_%28Dec_3rd%29.pdf [wrap repaired (I think) -- gil] >> >> Or tinyurl http://tinyurl.com/mmee9q9 > >Thanks for posting this. I find it interesting that is offers a number >of enhancements, some of which have been vigorously discussed on the >list, e.g., ENQ option to change from exclusive to shared, a >corresponding JCL option to release an unneeded exclusive data set. > Actually, I understand (perhaps poorly) that the JCL option will also allow downgrading the ENQ if a DSN is allocated exclusive in an earlier step and shared in later steps. Releasing (FREE) the ENQ has been around for decades, with no controlling option.
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