Format of installpkg packages

[Steve Lancaster]

In article <1050 at kuling.UUCP>, bear at kuling.UUCP (Bjorn Sjoholm) writes:
> I am looking for a specification of the `installpkg` package
> format used in System V release 3.2 (and maybe in other releases too).
> 
>  [Stuff deleted]
> 
> -- 
> Bjorn Sjoholm         UUCP: bear at kuling.uu.se (...!uunet!sunic!kuling!bear)
> Uppsala, Sweden       Phone: +46 18 155097

I'd like to know as well. Please summarize and post. Thanks.