||    +============++==-
||\   |+===-  ==== || 
|| \  ||     |    ||| 
||  \ |+===+ |    |||
||   \|    | |====|||
||    |-===+ |    |||

OVERVIEW: sat (nsat)is a rrdtools wrapper for nagios(tm), which placed between nagios daemon and executed command to collect numerical data, and store it in file by rrdtools. after that, data accesiable from php script, which called self or from nagios frontend. sat distributed via GPL.