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Date:      Fri, 4 Oct 2002 14:12:38 +0100
From:      Matthew Seaman <m.seaman@infracaninophile.co.uk>
To:        Per olof Ljungmark <peo@intersonic.se>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: non-rewinding, non-compressing tape device
Message-ID:  <20021004131238.GD31681@happy-idiot-talk.infracaninophi>
In-Reply-To: <5.1.1.6.0.20021004140817.026d88e0@mail.inter-sonic.com>
References:  <5.1.1.6.0.20021004140817.026d88e0@mail.inter-sonic.com>

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On Fri, Oct 04, 2002 at 02:10:00PM +0200, Per olof Ljungmark wrote:
> Is there a non-rewinding, non-compressing tape device on FreeBSD?

=46rom the sa(4) man page:

FILES
     /dev/[n][e]sa[0-9]  general form:
     /dev/sa0            Rewind on close
     /dev/nsa0           No rewind on close
     /dev/esa0           Eject on close (if capable)
     /dev/sa0.ctl        Control mode device (to examine state while another
                         program is accessing the device, e.g.).

BUGS
     [...]

     Fine grained density and compression mode support that is bound to spe-
     cific device names needs to be added.


> Also, is there a place where the stuff in /dev is documented?

Devices are documented in secion 4 of the man pages. Generally there
will be a man page for pretty much any device under /dev: just strip
off any unit numbers or other extra characters.  Sometimes the man
page is listed under the kernel option required to enable it.

eg:

    /dev/zero    --> zero(4)
    /dev/sa0     --> sa(4)
    /dev/nsa0    --> sa(4)
    /dev/da0s1a  --> da(4)
    /dev/dsp0.0  --> snd(4) a.k.a. pcm(4)

	Cheers,

	Matthew

--=20
Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
                                                      Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK

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