Logging option
If you select the logging option when you have configured the Launcher to run multiple systems as a compound system in a single Launcher process or as separate Launcher processes and then run the system or systems, there are two log files that are created in the logs subdirectory of the install_dir. Both log files have the same name as the system (.msl) file, appended with the current date and time stamp (yyyy-mm-dd-hh-mm-ss) and the host name of the computer where the Launcher is running.
The first log file has a .log filename extension.
The second log file has a .txt filename extension.
See Trace and Log Files Naming Conventions for the specific naming conventions.