openUTM maintains a log file for every UTM application. This file is called the SYSLOG file. openUTM records all messages intended for the SYSLOG message destination in this file. You can - within certain limits - specify which messages these are to be (see section "Destinations of UTM messages").
You can create the system log file SYSLOG as:
a simple file with the name filebase.SLOG or a file with the link name SYSLOG. filebase is the base name of the KDCFILE from the MAX statement.
a file generation group SYSLOG-FGG (File Generation Group)
It is sufficient to create a file generation group; the individual generations of the FGG are created by openUTM for you.
If you have generated automatic monitoring of the size of the SYSLOG file, then the SYSLOG must be created as an FGG.
The openUTM manual “Using UTM Applications” describes in detail in chapter 8 how to create the system log file SYSLOG.
Events occurring during the execution of the application which could be useful for monitoring purposes or for making checks later are logged in the SYSLOG file in the form of UTM messages (e.g. K033, K070). In particular, the SYSLOG file contains important information for diagnostics.
Each time the application is started subsequently, the SYSLOG file is overwritten by openUTM. The logging information from the previous run is lost. Therefore, you should analyze the contents, or copy the file if necessary when the application terminates.