Tail4Win is a Windows port of the UNIX 'tail -f' command. Tail4Win is used to monitor changes to files and display the changed lines in realtime. It can, for example, keep an eye out for certain keywords in a log file. It is very usefull for monitoring log files of applications - e.g. Apache's error.log and access.log. or IIS,Tomcat,Resin log files. The main features are:

Main features: Watch multiple files at same time. Detect keyword matches, and highlight occurences. Can monitor files of any size. Capture and display OutputDebugString / TRACE. Command line support.