Meaning of: kill -USR2

[Wojciech Puchar]

> I have seen 'kill -USR2' used in some scripts;
> however, I am unable to find out exactly what it is
> referring to. The man page for 'kill' does not list
> any 'USR2' flag or signal, unless I am reading it
> incorrectly.
because it's user defined signal number 2 - the program taking it does 
what it want (or exactly - what programmer want)