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Date:      Wed, 15 Dec 1999 20:05:52 +0100 (CET)
From:      Luigi Rizzo <luigi@info.iet.unipi.it>
To:        Larry Baird <lab@gta.com>
Cc:        freebsd-small@FreeBSD.ORG
Subject:   Re: some picobsd things
Message-ID:  <199912151905.UAA07250@info.iet.unipi.it>
In-Reply-To: <199912151744.MAA22845@gta.com> from Larry Baird at "Dec 15, 1999 12:44:03 pm"

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Larry,

First, thanks for the precious suggestion.

I am a bit unclear on how to use kgzip -- on 3.x/4.x, and with the
execption of the boot loader, picobsd is mostly made of the following
parts

 + the kernel, kernel.gz
 + the fs image, fs.PICOBSD.gz
 + a (relatively small, but modifiable) filesystem on the floppy.

The loader knows how to decompress files on the fly, so i can
keep compressed both loader config files (ok, with kgzip you might get
rid of them altogether) and kernel and fs.PICOBSD.

I find it particularly useful to keep the three pieces separate so
i can update the fs without having to rebuild the kernel, and make
small changes on the floppy without having to rebuild fs.PICOBSD

How would i do the above with kgzip ?

	cheers
	luigi

> FYI, GNAT Box is using gkzip without /boot/loader.  This approach
> allowed us to cram a lot of stuff onto the GNAT Box floppy.  And
> as a bonus since the binaries on MFS_ROOT are resident in memory
> unzipped after booting all normal demand paging rules for text applies.
> 
> -- 
> ------------------------------------------------------------------------
> Larry Baird                             
> Global Technology Associates, Inc. | Orlando, FL
> Email: lab@gta.com                 | TEL 407-380-0220, FAX 407-380-6080
> 
> 
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