Consol application closed in 1 second after code finished...

I just compile my .m code to consol application...but when i run that consol app it closes automatically after whole code finished...i need to copy some data from consol so i need to hold consol for some time... Secondly how to restart whole code from starting in consol application when one code cycle ends '&' how to restart whole consol application code instantly if i made mistake in data input...

Please help and Thanks in advance