> elsave.exe -h
usage: elsave [-s \\server] [-l log] [-F file] [-C] [-q]
Saves and/or clears a Windows NT event log. Version 0.4 19980907.
-s \\server  Server for which you want to save or clear the log.
-l log       Name of log to save or clear.
-F file      Save the log to a file with this name. Must be absolute path to
             local file on the server for which you want to save the log.
-C           Clear the log.
-q           Write errors to the event log

//清除应用程序日志
> elsave.exe -s \\127.0.0.1 -l application -C

//清除系统日志
> elsave.exe -s \\127.0.0.1 -l system -C

//清除安全日志
> elsave.exe -s \\127.0.0.1 -l security -C