how to write logs in seperate file

I want to write the logs in seperate file appLogs

how to defin it in log4j.properties

#define the appender named

FILE log4j.appender.FILE=org.apache.log4j.FileAppender

log4j.appender.FILE.File=${user.home}/appLogs

Structure the Application

MyApplication

|

|

|--WEB-INF

|

|--index.jsp

|

|-- appLogs.txt

thanks

[470 byte] By [the_Orienta] at [2007-11-26 22:35:09]