Differences between dummy and temp.

Dummy:-

     1.  this is a null file /do nothing file

     2.  this data set cannot be passed to subsequent steps

1. this can be used to test the application program
2. no dcb,space parameters can be coded
3. any no of dummy ds can be coded in one job
4. dummy must be coded with dummy parameter

Dsn=nullfile

Temp file:-

1.this file is created by o/s dynamically and deleted after completion of job

2. this can be passed to subsequent steps

3.can be used to test application programs

4.dcb and space parameter can be coded

5.any no of temp ds can be coded in one job

6.this must be coded with prefix && and any user defined name.