Mainframe, MVS and zOS Discussion

that' what we practice when we try -here and on other forums - to help people who have done nothing to deserve it ( too many of them sadly )

open the IDCAMS manual and look Yourself
https://www.ibm.com/support/knowledgece ... 00/toc.htm

why ask on a forum, wouldn' t it be simpler/faster to ask TIBCO

Does the concept of passive and active transfers in FTP applies to mainframes? I wonder why soo many people keep confusing HARDWARE and SOFTWARE what does an implementation have to do with the hardware it is running on ? :twisted: here is a link to a pretty good explanation of active vs. passive FT...

topic locked
the TS did not care to do a bit of homework and research himself
( for example googling with - zOS zLINUX zVM web support )

probably the TS wants to know about hardware

the same on macOS with chrome
and the splash panel is TOO big , it takes about a third of a page

"application level changes"... in the common terminology the above means changes to the program sources as already explained a system upgrade very seldom implies changes to the PURE application programs IMNSHO a jcl change to profit from the new opportunities does NOT fall into the applic...

N(-1) refers to the previous result not to N-1 as a subtraction
so Ypu can stop counting

just trying to end the sillyness

until ---
1000000
done

... keep up with the ( N(-1) + 1 ) thingy

3 ( N(-1) + 1 )

2 ( N(-1) + 1 )

1

So even with IDCAMS TIOT problem will remain? what did You understand reading ? I do not remember if an IDCAMS delete will allocate the datasets, but it is worth a try I did not mean to use EXEC PGM=IDCAMS instead of EXEC PGM=IEFBR14 but to ... get rid of the DD ...,DISP=(OLD... statements provide ...

I used COBOL programming as an example if You wanted to know in general why did You not tell so from the beginning :twisted: the same logic applies for every product, every new version/release has a manual regarding the migration considerations here is the link for zOS 2.1 https://www-03.ibm.com/sy...

I do not see how a COBOL only programmer would be concerned by system changes in a well managed organization they should be screened on the system details most probably what will change is the version/level of cobol , so, why not start by looking at the manual Enterprise COBOL for z/OS Migration Gui...

I do not remember if an IDCAMS delete will allocate the datasets, but it is worth a try