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Date: Tue, 1 Feb 2011 18:50:35 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Patrick Mahan <PMahan@adaranet.com>
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Cc: Paul Macdonald <paul@ifdnrg.com>, Dan Nelson <dnelson@allantgroup.com>,
	"freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject: RE: serial config handbook:  /boot.conf or /boot.config
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On Tue, 1 Feb 2011, Warren Block wrote:

> On Tue, 1 Feb 2011, Patrick Mahan wrote:
>
>> It's at the root -
>>
>>  # echo /boot.conf
>>  -P
>
> Line 78 of sys/boot/i386/boot2/boot2.c says:
>
>  #define PATH_CONFIG     "/boot.config"
>
> Also, there's boot.config(5).  If boot.conf also works, maybe it's only 
> looking for a match on the first 8 or 9 characters.

Just tested this on an 8.1-stable VM, with a file containing only a "-s" 
(no quotes):

/boot.conf   - no effect
/boot.config - boots into single-user mode