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Date: Tue, 21 Feb 2012 00:06:57 -0600 (CST)
From: Robert Bonomi <bonomi@mail.r-bonomi.com>
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To: erich@alogreentechnologies.com, freebsd-questions@freebsd.org
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Cc: freebsd-questions@herveybayaustralia.com.au
Subject: Re: /usr/home vs /home
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Erich Dollansky <erich@alogreentechnologies.com> wrote:
> Hi,
>
> On Monday 20 February 2012 21:44:43 Da Rock wrote:
> > On 02/18/12 17:47, Erich Dollansky wrote:
>
> > >> There may have been a historic reason, but now it is philosophical - trying
> > > when I got my hands for the first time on a BSD system, the machine has had several 5MB hard disks.
> > >
> > > I assume that what now is called partitioning came from the need to have several disks to run a serious system.
> > >
> > > And yes, it was possible to boot and run BSD with at least 20 users on several 5MB disks.
> > >
> > > Erich
> > Erich, can I be so bold as to ask what brand the disks were? And tax 
> > your memory as to when?
>
> it was DEC PDP-11 with a strange drive. One disk was fixed, one was removable.
> This is the reason why it was easy to switch the operating system. RL .. 
> something like this was the disk name.

AHA.  probably an 'RL-05',  cousin to the better known "RK-05"

14" media, in a 'cartridge'.   I -think- it was an 'SMD' interface