IBM OS390 Interview Preparation Guide
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IBM OS390 frequently Asked Questions in various IBM OS390 job Interviews by interviewer. Get preparation of IBM OS390 job interview

3 IBM OS390 Questions and Answers:

1 :: What is AFOper?

its host residendt. (wish it it was PC)... but..,,,
It can do the job... we went from 87.5% uptime to 99.55%''.
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2 :: In Real Storage usage. By monitor through RMF III the usage of Real Storage keep in increasing everyday. Why this happen?

monitor 3 is for long time data gathering so its increasing.
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3 :: What is meant by online job and batch job?

online job can be done with the interaction of the user.

For ex:When you go to ATM to withdraw money,there will be a
panel called withdrawl.If you click on that your action can
be done.User can see what is happening.This is the online
job.

batch job can be done without the interaction of the user.

If you want to see the result then you have to go to spool-
job entry system-2(JES2).

Batch results can be viewed in JES2.
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