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	<id>https://homeostasis.scs.carleton.ca/wiki/index.php?action=history&amp;feed=atom&amp;title=Operating_Systems_2020W_Lecture_1</id>
	<title>Operating Systems 2020W Lecture 1 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://homeostasis.scs.carleton.ca/wiki/index.php?action=history&amp;feed=atom&amp;title=Operating_Systems_2020W_Lecture_1"/>
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	<updated>2026-04-22T13:55:04Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://homeostasis.scs.carleton.ca/wiki/index.php?title=Operating_Systems_2020W_Lecture_1&amp;diff=22566&amp;oldid=prev</id>
		<title>Soma: Created page with &quot;==Video==  Video for the lecture given on January 8, 2020 [https://homeostasis.scs.carleton.ca/~soma/os-2020w/lectures/comp3000-2020w-lec01-20200108.m4v is now available].  ==...&quot;</title>
		<link rel="alternate" type="text/html" href="https://homeostasis.scs.carleton.ca/wiki/index.php?title=Operating_Systems_2020W_Lecture_1&amp;diff=22566&amp;oldid=prev"/>
		<updated>2020-03-20T02:29:25Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;==Video==  Video for the lecture given on January 8, 2020 [https://homeostasis.scs.carleton.ca/~soma/os-2020w/lectures/comp3000-2020w-lec01-20200108.m4v is now available].  ==...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==Video==&lt;br /&gt;
&lt;br /&gt;
Video for the lecture given on January 8, 2020 [https://homeostasis.scs.carleton.ca/~soma/os-2020w/lectures/comp3000-2020w-lec01-20200108.m4v is now available].&lt;br /&gt;
&lt;br /&gt;
==Notes==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
Lecture 1&lt;br /&gt;
---------&lt;br /&gt;
&lt;br /&gt;
UNIX is old&lt;br /&gt;
UNIX is everywhere&lt;br /&gt;
&lt;br /&gt;
GUI&lt;br /&gt;
command line     &amp;lt;---- this course&lt;br /&gt;
....             &amp;lt;---- this course&lt;br /&gt;
hardware&lt;br /&gt;
&lt;br /&gt;
operating system&lt;br /&gt;
 - code that turns the system you have into the one you want to program&lt;br /&gt;
&lt;br /&gt;
command lines are implemented by shells &amp;amp; ttys&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
tty =&amp;gt; abstraction representing a terminal&lt;br /&gt;
shell =&amp;gt; what gives you a prompt in a terminal&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;/div&gt;</summary>
		<author><name>Soma</name></author>
	</entry>
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