Article View: alt.folklore.computers
Article #619959Re: Making Computers Secure
From: Bob Eager
Date: Sat, 03 Feb 2018 10:52
Date: Sat, 03 Feb 2018 10:52
31 lines
2984 bytes
2984 bytes
On Sat, 03 Feb 2018 03:41:11 +0000, Melzzzzz wrote: >>>The problem we're having is that noone, especially the operating >>>systems, keeps the user actions separated from system actions. There >>>should have been a strict wall between the two functionalities. TOPS-10 >>>and TOPS-20 got this right via the UUO interface. Unix and MSoft's >>>developers, over the years, got lazy while writing new code and didn't >>>keep a strict wall between the two. >> >> I think you will find that the opposite has occurred. Early PCs didn't >> even have the means to enforce such a wall. Now modern operating >> systems run just about everything in userspace at some level of >> virtualization. > > Correct. 286 had protected mode, but almost no OS used it... The only systems I can think of were some nice UNIX-like systems, including IBM's PC-IX. It didn't help that protected mode was incompatible address-wise with real mode. Barb seems to be implying that the UUO interface was something new (but then we know her only experience is DEC!). I can think of plenty of examples on other systems and hardware. -- Using UNIX since v6 (1975)... Use the BIG mirror service in the UK: http://www.mirrorservice.org
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X-Received: by 10.55.21.142 with SMTP id 14mr7091560qkv.18.1517655122427; Sat, 03 Feb 2018 02:52:02 -0800 (PST) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 10.55.23.22 with SMTP id i22ls2265873qkh.2.gmail; Sat, 03 Feb 2018 02:52:01 -0800 (PST) X-Received: by 10.55.159.203 with SMTP id i194mr8980937qke.24.1517655121586; Sat, 03 Feb 2018 02:52:01 -0800 (PST) Path: mbox-mo1.pugleaf.net!e39ni2034qtk.1!nntp.google.com!peer01.iad!feed-me.highwinds-media.com!news.highwinds-media.com!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!130.133.4.4.MISMATCH!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Bob Eager <news...@eager.cx> Newsgroups: alt.folklore.computers Subject: Re: Making Computers Secure Date: 3 Feb 2018 10:52:00 GMT Lines: 31 Message-ID: <fdliigFfgjjU24@mid.individual.net> References: <3b1840a6-2ad7-4360-9c87-e3e8ad601ee2@googlegroups.com> <PM000563FF4B2EF298@aca401e3.ipt.aol.com> <3b1840a6-2ad7-4360-9c87-e3e8ad601ee2@googlegroups.com> <PM000563FF4B2EF298@aca401e3.ipt.aol.com> <3b1840a6-2ad7-4360-9c87-e3e8ad601ee2@googlegroups.com> <PM000563FF4B2EF298@aca401e3.ipt.aol.com> <2V%bC.222517$%a1.58398@fx35.iad> <PM000564128FA48D01@aca40a86.ipt.aol.com> <43aeaf25-249f-42c6-b590-4dc9890d1c1c@googlegroups.com> <PM0005643BABCD6267@aca42e3d.ipt.aol.com> <hfba7dtavskr85ssg6crut8hosus6ec3fd@4ax.com> <p53b0n$r5b$2@news.albasani.net> Mime-Version: 1.0 X-Trace: individual.net CBvxATRCCWc6fZPK2K8yWAlzcCdMHPtDsfkWoEkgpa3TlcfeP8 Cancel-Lock: sha1:ap2fIYHs5Hm6qzGmBfevaGUg6RA= User-Agent: Pan/0.141 (Tarzan's Death; 168b179 git.gnome.org/pan2) X-Received-Bytes: 2458 X-Received-Body-CRC: 908604171 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit