The Basics isCOBOL Evolve includes several pieces of software that are basic to any software development environment. The following pieces of software form the core of isCOBOL Evolve: isCOBOL Evolve Product Command to invoke the product isCOBOL Compiler iscc isCOBOL Runtime Framework iscrun isCOBOL Debugger iscrun -d isCOBOL IDE isIDE.exe Notice that the isCOBOL compiler, runtime framework and debugger are all contained in a single file, "iscobol.jar", placed in the isCOBOL lib directory. This file is discussed below.