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		<id>http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=ZSQ_%28LZW_compression%29</id>
		<title>ZSQ (LZW compression) - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://fileformats.archiveteam.org/index.php?action=history&amp;feed=atom&amp;title=ZSQ_%28LZW_compression%29"/>
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		<updated>2026-04-20T14:23:47Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=46599&amp;oldid=prev</id>
		<title>Dexvertbot: Change telparia.com samples link to template</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=46599&amp;oldid=prev"/>
				<updated>2023-12-28T02:55:39Z</updated>
		
		<summary type="html">&lt;p&gt;Change telparia.com samples link to template&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
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				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 02:55, 28 December 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 17:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Sample files ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Sample files ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;https://telparia.com/fileFormatSamples/&lt;/del&gt;archive/zsq&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;/&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;{{DexvertSamples|&lt;/ins&gt;archive/zsq&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dexvertbot</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=45870&amp;oldid=prev</id>
		<title>Sembiance: Sample files and software</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=45870&amp;oldid=prev"/>
				<updated>2023-10-18T00:03:25Z</updated>
		
		<summary type="html">&lt;p&gt;Sample files and software&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
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				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 00:03, 18 October 2023&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Software ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Software ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* {{CdTextfiles|carousel/013C/ZSQUSQ.ZIP|ZSQUSQ.ZIP}} - ZSQ v1.0 and ZUSQ v1.0 (DOS software)&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* {{CdTextfiles|carousel/013C/ZSQUSQ.ZIP|ZSQUSQ.ZIP}} - ZSQ v1.0 and ZUSQ v1.0 (DOS software)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* {{Deark}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; 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;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;== Sample files ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* https://telparia.com/fileFormatSamples/archive/zsq/&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Sembiance</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=39439&amp;oldid=prev</id>
		<title>Jsummers at 14:56, 2 March 2021</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=39439&amp;oldid=prev"/>
				<updated>2021-03-02T14:56:34Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 14:56, 2 March 2021&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''ZSQ''' is a file compression utility developed by Wayne Chin and Arvind Kumar. It describes itself as &amp;quot;File Squeezer using [[LZW]] compression algorithm&amp;quot;. The companion decompression utility is '''ZUSQ'''.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''ZSQ''' is a file compression utility developed by Wayne Chin and Arvind Kumar. It describes itself as &amp;quot;File Squeezer using [[LZW]] compression algorithm&amp;quot;. The companion decompression utility is '''ZUSQ'''.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;ZSQ might have been a contestant in the race to make a usable format based on [[LZWCOM]], but lost to [[Crunch]]. It uses the same file naming pattern as [[Crunch]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;ZSQ might have been a contestant in the race to make a usable format based on [[LZWCOM]], but lost to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[ARC (compression format)|ARC]] and &lt;/ins&gt;[[Crunch]]. It uses the same file naming pattern as [[Crunch]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Identification ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Identification ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=39428&amp;oldid=prev</id>
		<title>Jsummers at 18:31, 25 February 2021</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=39428&amp;oldid=prev"/>
				<updated>2021-02-25T18:31:12Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr valign='top'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 18:31, 25 February 2021&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''ZSQ''' is a file compression utility developed by Wayne Chin and Arvind Kumar. It describes itself as &amp;quot;File Squeezer using [[LZW]] compression algorithm&amp;quot;. The companion decompression utility is '''ZUSQ'''.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;'''ZSQ''' is a file compression utility developed by Wayne Chin and Arvind Kumar. It describes itself as &amp;quot;File Squeezer using [[LZW]] compression algorithm&amp;quot;. The companion decompression utility is '''ZUSQ'''.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;It belongs to &lt;/del&gt;the [[&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Squeeze&lt;/del&gt;]]&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;/&lt;/del&gt;[[Crunch]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;ecosystem, though it's not clear exactly how it fits into it&lt;/del&gt;. &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Files use &lt;/del&gt;the same naming &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;conventions &lt;/del&gt;as [[Crunch]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;ZSQ might have been a contestant in &lt;/ins&gt;the &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;race to make a usable format based on &lt;/ins&gt;[[&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;LZWCOM&lt;/ins&gt;]]&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, but lost to &lt;/ins&gt;[[Crunch]]. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;It uses &lt;/ins&gt;the same &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;file &lt;/ins&gt;naming &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;pattern &lt;/ins&gt;as [[Crunch]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Identification ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Identification ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

	<entry>
		<id>http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=36973&amp;oldid=prev</id>
		<title>Jsummers: Created page with &quot;{{FormatInfo |formattype=electronic |subcat=Compression |extensions={{ext|?z?}}, {{ext|zzz}} |released=1985 }} '''ZSQ''' is a file compression utility developed by Wayne Chin ...&quot;</title>
		<link rel="alternate" type="text/html" href="http://fileformats.archiveteam.org/index.php?title=ZSQ_(LZW_compression)&amp;diff=36973&amp;oldid=prev"/>
				<updated>2020-08-08T15:07:41Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{FormatInfo |formattype=electronic |subcat=Compression |extensions={{ext|?z?}}, {{ext|zzz}} |released=1985 }} &amp;#039;&amp;#039;&amp;#039;ZSQ&amp;#039;&amp;#039;&amp;#039; is a file compression utility developed by Wayne Chin ...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Compression&lt;br /&gt;
|extensions={{ext|?z?}}, {{ext|zzz}}&lt;br /&gt;
|released=1985&lt;br /&gt;
}}&lt;br /&gt;
'''ZSQ''' is a file compression utility developed by Wayne Chin and Arvind Kumar. It describes itself as &amp;quot;File Squeezer using [[LZW]] compression algorithm&amp;quot;. The companion decompression utility is '''ZUSQ'''.&lt;br /&gt;
&lt;br /&gt;
It belongs to the [[Squeeze]]/[[Crunch]] ecosystem, though it's not clear exactly how it fits into it. Files use the same naming conventions as [[Crunch]].&lt;br /&gt;
&lt;br /&gt;
== Identification ==&lt;br /&gt;
Files apparently start with ASCII &amp;quot;{{magic|WACK}}&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
== Software ==&lt;br /&gt;
* {{CdTextfiles|carousel/013C/ZSQUSQ.ZIP|ZSQUSQ.ZIP}} - ZSQ v1.0 and ZUSQ v1.0 (DOS software)&lt;/div&gt;</summary>
		<author><name>Jsummers</name></author>	</entry>

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