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Date: Tue, 10 Jun 2003 08:08:29 +0200
From: Marc Fonvieille <blackend@freebsd.org>
To: romero3000@romero3000.com
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cc: freebsd-hackers@freebsd.org
Subject: Re: ramdisk??
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On Mon, Jun 09, 2003 at 01:16:26PM -0400, romero3000@romero3000.com wrote:
> (sorry about cross-posting this question. not sure which list is better)
> 
> I want to to know how to create a ram file system for /var and /tmp so
> that i can boot from flash memory and mount those two file systems on
> ramfs. I've looked for howto's online but haven't found anything. any
> suggestions????
>

The Handbook covers memory and file-backed file systems:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/disks-virtual.html

it could be a good point of entry for your problem.

Marc