Filtering ULS Log using Power Shell

It is very handy using Get - SPLogEvent power shell command to retrieve logs from ULS in certain time period .

Use bellow command syntax 

get-splogevent -starttime (get-date).addminutes(-20) | where-object { $_.correlation -eq “b66db71a-3257-4470-adf9-5c01dc59ecb3″ } | fl message > c:\errors.txt

For more information please follow link

Managing SharePoint Configuration

http://msdn.microsoft.com/en-us/library/ff649798.aspx

 http://msdn.microsoft.com/en-us/library/ee855123%28office.12%29.aspx