Mainframe, MVS and zOS Discussion

If you are talking about INDEX variables in COBOL, this information from the DISPLAY statement in the Enterprise COBOL Language Reference manual is relevant: identifier-1 Identifier-1 references the data that is to be displayed. Identifier-1 can reference any data item except an item of usage PROCE...

nicc wrote: ↑Tue Nov 20, 2018 10:41 pmWhat 'index'?

An INDEX is used at the time of defining a COBOL Table, that's what I am talking about.

Hi

How can we print index in COBOL? And is it readable?Please advise.

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If I browse the load module of a main program which calls another program statically then some time I saw the called program name there but not always. SO can I say if a batch Cobol program is called by another batch Cobol program and they are in static call, main program load module will have the n...

Thanks Robert. I was trying to understand that statement. Got it now.

Robert Sample wrote: ↑Fri Sep 14, 2018 2:26 amthat the load module itself is called dynamically or statically?

This is what I am asking.

A data set is limited to 59 volumes. 

Is it a rule for Mainframe?

By seeing the load module can we identify if it is a dynamic call or static call?

Thank you so much Robert. But I did not understand that "Data is compressed in MEMORY", what does that mean?

220

When the data is compressed on a Tape what happens? For a DASD I understand that, it can be "compress" the data and write to a new block but tape is linear media, how compression happens for that?

Thanks for the idea. I shall explore that.

Hi,

I have been asked a very unusual question for which I hand not had an answer. The question was, how do we calculate the size of TAPE file in MB. I do not know but if I did know what is the use of knowing the file size?

Can someone please answer me on this?

Thanks Robert.

As this was an initiative from the application team, site support group left it on us. We did it manually using sort copy.

Priya, you managed to mess up pretty much EVERYTHING you said. A COMP variable may be 2 bytes or 4 bytes or 8 bytes depending upon the PICTURE. The sign, if used (COMP variables can be unsigned), is the first bit of the value.And COMP has sign over punched at it last nibbleNo, you have described Zo...

Hi, I have a many many sequential files which follow the naming convention like ABC.DEF.* but now all the files starting with ABC.* will be deleted for some storage initiative. Now we have to rename all these datasets to another naming convention like XYZ.*. Please help if there is a way for doing t...

Hi,

What is the difference between COMP and COMP-3? How can we display them.

My answer was one is binary and other is packed decimal. But Interviewer was not very happy.

I was not sure on how to display them, can someone please tell?

Hi,

Are JEM and JSCSAN same products? I searched for it but could not find out it at all.

Hi,

While reading a VSAM file sequentially, I am getting a file ststus code 34. In this I need to read the file sequentially and
write records in an output sequential file.

As a remedy I have also increased the space for the output file but I stil get the abend, could please someone help.