| CANCELLBR | Close COPY .lbr file |
| CONVSPACE | Source code spaces |
| COPYLBR | Copy library = .lbr file |
| COPYPATH | Specifies a list of directories for the Compiler to search for copy files, when compiling .NET programs in Visual Studio. |
| IDYSRCPATH | Control the paths stored in .idy files for main source files |
| KEYCHECK | Check the number of keys |
| OBJ | File for object code |
| OSEXT | Source filename extension |
| P64 | Make all pointers 64-bits long |
| PCOMP | Specify a user program to use as a precompiler |
| PREPROCESS | Preprocess source |
| PROTOTYPE | Enable relaxed or strict call prototype checking |
| RDFPATH | Specify location for repository file |
| REPOSITORY | Create repository file |
| SOURCETABSTOP | Sets the number of space characters by which to expand tab characters |