installing a *.pkg file

From: Pranay (pranay_at_icemcfd.co.in)
Date: 01/21/04 

Date: 20 Jan 2004 22:45:16 -0800

Hi everybody,
   I wanted to upgrade binutils in my SGI IRIX 6.5 17M system. I have
downloaded a *pkg file from the net. Can anybody tell me how to
install this pkg file on the system...???

thanx,

Pranay