I'm looking for a log file viewer that can handle simultaneously viewing multiple arbitrarily wide log files. This is like 'less -S' or toggle-truncate-lines in emacs, where it *does not* do this ...

The Operational event logs (you have to dig down further in the Event Viewer to see these) contain a lot of the detail that the old USERENV.LOG file would provide.

Learn how to view, delete or clear the Event Log files in Windows 11/10 via the Event Viewer UI or the wevtutil Command line tool. Delete all or selected Event log files.

If you really want to see what's happening beneath the hood of your Linux distribution, you need to use log files.

Also Read: How to clear the Event Log in Windows Where are the Event Viewer logs stored in Windows 11? Windows stores its Event Viewer’s logs in C:\WINDOWS\system32\config\. You can open File ...