Mainframe, MVS and zOS Discussion

1. This question comes up fairly frequently. Mainframes do not have any way to read sequential data sets backwards, so without a significant amount of effort it cannot be done. (Sequential data sets can be on magnetic tape, for example, which only can be read in one direction.)

2. The problem ...

What is the difference between syncsort and sort in jcl.

Hi all,

I faced few interview questions today can anyone help me with the correct answers?

1). One PS file is having 1000 records I want to read the records from last record to first record ?

2). PS file which is having millions of records and there are some duplicate records with word of "abcdef ...

Hi,

Can someone explain? Difference between 9.99 and 9v99 ?

What is main use of using V in the place of decimal point, is this just to reduce memory?

Hi all I have a question for u.

I have to copy instream data from input to a ksds output file?
What are the terms and conditions applied to copy instream data to ksds file??

Hello Guys,

I was working as a mainframe Batch and console operator since 4 Years
I was loo looking to change my domain to mainframe developer need some guidance.
Any one who is working in development -please ping here.

Hello
Does Anyone know?
How to declare variables for Dataset names and space parameters in JCL?