<?xml version="1.0"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
	<id>https://www.ostan-collections.net/wiki/index.php?action=history&amp;feed=atom&amp;title=Category%3AMainframe_OS-tan</id>
	<title>Category:Mainframe OS-tan - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://www.ostan-collections.net/wiki/index.php?action=history&amp;feed=atom&amp;title=Category%3AMainframe_OS-tan"/>
	<link rel="alternate" type="text/html" href="https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;action=history"/>
	<updated>2026-06-29T22:42:06Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.39.15</generator>
	<entry>
		<id>https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=7417&amp;oldid=prev</id>
		<title>Halian at 09:43, 28 June 2026</title>
		<link rel="alternate" type="text/html" href="https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=7417&amp;oldid=prev"/>
		<updated>2026-06-28T09:43:47Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:43, 28 June 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &lt;/del&gt;Mainframe &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;section currently &lt;/del&gt;encompasses all &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;large-scale &lt;/del&gt;systems &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;- &lt;/del&gt;early computers, mainframes, supercomputers &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;network systems &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;can all be found on this list&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{Distinguish|Category:Mainframes}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[OS-tan]] for [[wikipedia:&lt;/ins&gt;Mainframe&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|mainframes]]. This category &lt;/ins&gt;encompasses all &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;operating &lt;/ins&gt;systems &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;that run on &lt;/ins&gt;early computers, mainframes, supercomputers&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, or &lt;/ins&gt;network systems.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:OS-tan]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:OS-tan]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Halian</name></author>
	</entry>
	<entry>
		<id>https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=7415&amp;oldid=prev</id>
		<title>Halian: Halian moved page Category:Mainframe to Category:Mainframe OS-tan</title>
		<link rel="alternate" type="text/html" href="https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=7415&amp;oldid=prev"/>
		<updated>2026-06-28T09:42:04Z</updated>

		<summary type="html">&lt;p&gt;Halian moved page &lt;a href=&quot;/wiki/index.php/Category:Mainframe&quot; class=&quot;mw-redirect&quot; title=&quot;Category:Mainframe&quot;&gt;Category:Mainframe&lt;/a&gt; to &lt;a href=&quot;/wiki/index.php/Category:Mainframe_OS-tan&quot; title=&quot;Category:Mainframe OS-tan&quot;&gt;Category:Mainframe OS-tan&lt;/a&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:42, 28 June 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Halian</name></author>
	</entry>
	<entry>
		<id>https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=6250&amp;oldid=prev</id>
		<title>Halian at 03:27, 21 December 2023</title>
		<link rel="alternate" type="text/html" href="https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=6250&amp;oldid=prev"/>
		<updated>2023-12-21T03:27:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 22:27, 20 December 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Mainframe section currently encompasses all large-scale systems - early computers, mainframes, supercomputers and network systems can all be found on this list.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Mainframe section currently encompasses all large-scale systems - early computers, mainframes, supercomputers and network systems can all be found on this list.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:OS-tan]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Halian</name></author>
	</entry>
	<entry>
		<id>https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=3811&amp;oldid=prev</id>
		<title>Bella: Created page with &quot;The Mainframe section currently encompasses all large-scale systems - early computers, mainframes, supercomputers and network systems can all be found on this list.&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.ostan-collections.net/wiki/index.php?title=Category:Mainframe_OS-tan&amp;diff=3811&amp;oldid=prev"/>
		<updated>2012-11-11T01:33:54Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;The Mainframe section currently encompasses all large-scale systems - early computers, mainframes, supercomputers and network systems can all be found on this list.&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The Mainframe section currently encompasses all large-scale systems - early computers, mainframes, supercomputers and network systems can all be found on this list.&lt;/div&gt;</summary>
		<author><name>Bella</name></author>
	</entry>
</feed>