The IBM mainframe environment has a different hardware and operating system architecture than your AIX system or your personal computer (PC). Operating systems other than the mainframe are sometimes referred to as workstation platforms. In this book, we use the term workstation to refer to the AIX and Windows operating systems.
Some problems can arise as you move PL/I programs between the mainframe and workstation environments. The problems may be caused by fundamental platform differences or differences between the PL/I for Windows compiler and the Enterprise PL/I for z/OS compiler. This chapter describes some of these differences between development platforms, and then provides instructions that minimize problems in the following areas: