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.
Because of fundamental platform differences as well as difference the OS PL/I compiler and the PL/I for Windows compilers, some problems can arise as you move PL/I programs between the mainframe and workstation environments. This chapter describes some of these differences between development platforms, and then provides instructions that minimize problems in the following areas: