Date: Tue, 22 Jul 1997 14:28:22 -0600 (MDT) From: Wes Peters - Softweyr LLC <softweyr@xmission.com> To: questions@freebsd.org Subject: Re: Real Mode or Protected Mode? Message-ID: <199707222028.OAA14710@xmission.xmission.com> In-Reply-To: <33D463B6.47D9@barcode.co.il> from "Nadav Eiron" at Jul 22, 97 10:39:34 am
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John T. Moss asked:
> I was just wondering if FreeBSD ran in Real or Protected mode becuase
> DOS runs in real and has to use EMS ect... To get out of the 1 meg limit
> but UNIX varants use all memory. I was wondering if it ran in protected
> mode all the time or just swaped in on out like DOS to access beyond one
> meg.
Nadav Eiron replied:
% Like most modern OSs, FreeBSD uses only protected mode.
To be more specific, both the OS and the user processes run in protected
mode, using a flat 32-bit address space. The "virtual 386" is not used
by FreeBSD for UNIX applications.
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
http://www.xmission.com/~softweyr softweyr@xmission.com
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