Mainframe, MVS and zOS Discussion

Does it need to be SYSLIB member always?

And what is SYSLIB?

Hi,

How to understand this syntax
Copy AAAAAAAA REPLACING ==:BBBBBBBB:== BY ==:CCCCCCCC:==

DISP=OLD for output data sets (not files) means that the output is written from the beginning. So figure out how much space you need, change the JCL to include SPACE on the DD statements (which will override the defaults used by the data set), and rerun the job. However, if the data set has the max...

Thanks Robert.

Sorry to bother you but I have not seen this kind of picture clause and was taken aback. Thank you so much for your explanation, this gives a lot more to learn.

Thanks Robert. What is the meaning of 'B' here?

Does any one know ...what is the defination of highlighted field

2. I have an existing VSAM file. It is required to add 1 new field. What are the steps to implement this change?

Recent interview question: one of out put file I gave DISP=OLD and it failed during run in time in production with space abend, how can you solve it?

Hi,

What is the difference between package in DB2, Endevor or Chanegman. Please guide this novice.