These environment variables are used to configure the component locations for Assembler. You can use STEPLIB and SYSLIB to configure multiple paths. The rest can set a single path only.
| Variable | Description |
|---|---|
| ES_MFASM_SUPPORT | Enables Assembler support when running CICS server regions. |
| STEPLIB | The paths for Loader input load-members .390 files (must contain SYSLMOD). |
| SYSIN | The path for macro input .MLC files. |
| SYSLIST | The path for Assemble and Link listing files: .MAT, .PRN, and .LST. |
| SYSWORK | The path for Assemble, Link and Animator/370 work files .BAL .IDF/.IDX . |
| SYSPUNCH | The path for Assemble output .PCH files for PUNCH statements . |
| SYSMPC | The path for Assemble input precompiled macros: .MPC . |
| SYSLIB | The paths for Assemble input macro and copy files .MAC .CPY . |
| SYSLIN | The path for Link input .LIN files and Assemble output .OBJ files . |
| SYSLMOD | The path for Link output load-member .390 files . |
| SYSPARM | The path for the Macro input SYSPARM value. |