What is the advantage of coding RECFM=F over RECFM=FB why not F.
Latest Answer: The other 2 answers are correct. This one is questionable.If you code with RECGM F Disadvantages:1) The read and write operations will be slow.
Sequentially reading the entire file could be slower since an i/o would give less of the file. ...
In what order does the system evaluate comparison operators?
Latest Answer: The order of Comparison Operators would beExponentiation,
Positive prefix,
Negative prefix,
Logical not,
Min,
Max,
Multiplication,
Division,
Add,
Sub,
Less than,
Logical OR ...
If the DISP parameter for a dataset is DISP=(NEW,PASS,CATLG), What will happen when the JCL is run? The first time? The second time?
Latest Answer: DISP(NEW,Suc,Unsuc)Suc - > when the job runs succesfully, the file will take the status that is mentioned hereUnsuc-> when the job failes, the file will take the status that is mentioned here ...
If file is having space parm as SPACE=(CYL,(10,10)) i.e. 10 primary, 10 secondary. So how much cylinders totally it will take before dataset filled till end?
Latest Answer: Almost correct, VSAM and non-VSAM are important but equally important is whether the allocation is to SMS controlled dasd. Another factor to consider is that allocations can both get more and less than 10 cylinders. In some cases an extent will be combined ...
Hi, Can anybody please tell me what is the exact purpose of the CEEDUMP and SYSUDUMP and How effectively we can use them for the problem solving( abend handling)
Latest Answer: CEEDUMP:Common Execution Environment DUMPThe CEEDUMP run-time option is used to specify options to control the processing |of the Language Environment dump report CEEDUMP.SYSUDUMPProduces a dump of user areas. The dump is formatted, so that it can be ...
Latest Answer: using IEFBR14 we can create pds with jcl.//TZZZ84R JOB NOTIFY=&SYSUID,MSGCLASS=X //STEP01 EXEC PGM=IEFBR14 //DD1 DD DSN=TKOL084.DEMO,DISP=(NEW,CATLG,DELETE), // DCB=(RECFM=FB,LRECL=80,BLKSIZE=80,DSORG=PO), ...
what is an SDSF?
Latest Answer: SDSF= Spool Display and Search facility, which is used to view the execution results of the job. ...
how did you compress a pds? explain in detail?
Latest Answer: Use option 3.4. mention your pds. Then infront of that pds type "z" to compress. ...
what is jes?explain in detail about jes?what is the difference between jes2 and jes3?
Latest Answer: JES (Job Entry Subsystem) manages the jobs and resources. JES receives jobs into the system, schedules them for processing by z/os and controls their output processing. ...
Latest Answer: INSTREAM data means providing data to the JCL program other than keeping data in separate data set. ...
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