A couple of months ago I’ve written a post on how to dynamically update the Linklist but some questions have been risen on why we need to stop the LLA and unallocate the Linklist. Each Linklist dataset has an ENQ from both XCFAS and LLA. An ENQ on a LNKLST […]
As you may know, Page datasets are defined on the IEASYSxx member of the Parmlib but if you want to avoid the hassle of checking this member or if you would like to obtain more information about them, you can use the following MVS commands to display Page Dataset information: […]
Whoever works with mainframes knows that to be able to o know what the Linklist concatenation is is one of the most important things in the job. There is a very simple MVS command for the effect: D PROG,LNKLST Here’s an example of what this command returns: RESPONSE=TST1 CSV470I 12.29.52 […]
UNMOUNT FILESYSTEM(SYS2.OMVS.EXAMPLE) REMOUNT We all know that the UNMOUNT command removes a file system from the file system hierarchy but when we use the REMOUNT parameter with the UNMOUNT command we may be introducing confusion in some minds. Unmounting a file system and remounting it? Makes no sense? Well that […]
Sometimes we find it necessary either to inactivate an active exit routine or the other way around. In order to achieve this, we need to use the MVS command: /SETPROG EXIT,MODIFY,EXITNAME=exit_name,MODNAME=mod_name,STATE=active_inactive Example: /SETPROG EXIT,MODIFY,EXITNAME=SYS.IEFACTRT,MODNAME=IEFACTRT,STATE=INACTIVE Other parameters: JOBNAME=jobname – The job(s) name(s) for which this exit routine is to get control. […]
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