A native COBOL transaction monitor was created to handle pseudo-conversational
They are duplicated with equivalent subroutines or inline COBOL
The screens look exactly the same on the new platform, the keyboard is re-mapped, and the BMS is converted the appropriate platform screen presentation utility
The JCL is converted to the control or scripting language supported by that platform
VSAM is duplicated using the specific file access method as determined by the platform
A Select and File Description is added into the program when IO is found
Handled through platforms native sort utility
The appropriate print file is created and then routed to the customer decided printing location
The tool comments out the mainframe code and places the equivalent replacement code directly beneath as a form of source code documentation
Optionally, load programs are created for the test environment. Those programs are given to the customer to load their data into the new database
Time/Date subroutines have already been duplicated. A true program written in Assembler is rewritten into COBOL
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