Tail4win - Version 4.9 Tail4win - windows tail. Tail4Win is a real-time log monitor and viewer, is a windows port of the UNIX 'tail -f' command, it can be used to view the end of a growing file. By using Tail4Win system administrator can monitor log files of server applications in real-time, e.g. Apache's error.log and access.log, or IIS, Tomcat, Resin log files. And programmer can monitor application traces easy and quickly.Tail4win can display the last part of a large file quickly without loading the entire file. And it is a file viewer only, it makes no changes to log files. Main features:Monitor changes to files and display the changed lines in real time. Monitor files of any size quickly, no need to load the