Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Migration Guide

Planning the move to Language Environment

Prepare to move to the Language Environment run-time library
Installing Language Environment
Assessing storage requirements
DASD storage requirements
Virtual storage requirements
Educating your programmers about Language Environment
Take an inventory of your applications
Vendor tools, packages, and products
PL/I applications
Existing PL/I load modules
Decide how to phase in Language Environment
Multilanguage conversion
Determining how applications will have access to the library
LNKLST/LPALST
STEPLIB
Problems with STEPLIB and IMS programs
STEPLIB example
Set up a regression testing procedure
Take performance measurements
Cut over to production use

This chapter describes a general strategy for moving your run-time environment to Language Environment. The following tasks are necessary, and should be performed in roughly the following order:

If you have already moved to Language Environment you do not need to read this chapter and can proceed to reading about planning for the new compiler in Planning to move to the new compiler.

Important


Terms of use | Feedback

This information center is powered by Eclipse technology. (http://www.eclipse.org)