How to truncate big JDE Log file size into pieces

Some of the editor can't handle 1gb size. So, we need to make it smaller pieces . Pls refer below :

The log files (for both E811 and E900) are being truncated based on the JDE.INI settings for debug logs. Debug files can be captured using the following JDE.INI settings, allowing up to 15 log files of 1GB each.

[DEBUG]
maxDebugFileSize=1GB
maxDebugBackupIndex=15