Issue I182 [batch,resolved] command-line operation. Batch mode command-line operation was added in 8.0.0 as described in Appendix M of the SIMION 8.0 manual. The following changes were made after 8.0.0 and are not described in the 8.0.0 manual. Issue I227 - Add "fly --restore-potentials=b" command-line option. Issue I255 - Loading IOB/PA files from Windows explorer file associations or command-line. Issue I299 - New "--noprompt" command-line option to disable prompting in batch mode. Issue I424 - New gem2pa and refine command line options to override pa_define Issue I458 - New "--temp-path" command-line option for modifying default path for temporary files. A full list is available of command options can be obtained as follows. To display top-level options/commands (for SIMION startup): simion.exe --help To display options on a specific command (e.g. refine), place the command name before it: simion.exe refine --help The latter are also available from the SIMION command bar by entering simion.command("refine --help") Related issues: Issue I363 - New command-line option (e.g. --reserved-memory=1.8G) for sltools.exe Older history: 2006-06-07 - kenn mentioned at ASMS2006 interest in command-line operation for geometry optimization. 2006-06-07 - ignacio also interested in GEM optimization at ASMS2006. Resolved in 8.0.0 (and previous betas).