The disp in the JCL is MOD and the program opens the file in

jcl interview questions

Moderator: Moderator Group

Post Reply
User avatar
Krishna
Site Admin
Posts: 1052
Joined: Fri Jan 27, 2006 7:50 am

The disp in the JCL is MOD and the program opens the file in

Post by Krishna » Sun Jul 19, 2009 1:56 pm

The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ?

User avatar
Krishna
Site Admin
Posts: 1052
Joined: Fri Jan 27, 2006 7:50 am

Post by Krishna » Sun Jul 19, 2009 1:56 pm

The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?

Records will be written to end of file (append) when a WRITE is done in both cases.

Post Reply

FREE TUTORIALS

Tutorials
Free tutorials from mainframegurukul
  • JCL Tutorial
    Covers all important JCL concepts.
  • Cobol Tutorial
    This tutorials covers all Cobol Topics from STRING to COMP-3.
  • DB2 Tutorial
    DB2 Tutorial focuses on DB2 COBOL Programming.
  • SORT Tutorial
    This Tutorial covers all important aspects of DFSORT with examples
  • CICS Tutorial
    This CICS tutorial covers CICS concepts and CICS Basics, CICS COBOL Programming.
Interview
Mainframe Interview questions



Other References
Mainframe Tools and others