Dynamic allocation facilities without JCL equivalents

Dsname allocation allows you to request the following data set characteristics, which are not available through JCL:
  • The password for a password-protected data set. If you specify the password in your program through the SVC 99 parameter list, the system does not prompt the operator.
  • The permanently allocated attribute.
  • The convertible attribute.
  • Start of changeThe insulated DD attribute (for authorized programs).End of change
  • Start of changeBypass security processing (for authorized programs).End of change
  • Return of certain information.