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		<title>HFS (IBM) - Revision history</title>
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		<updated>2026-04-18T02:17:59Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>http://fileformats.archiveteam.org/index.php?title=HFS_(IBM)&amp;diff=38952&amp;oldid=prev</id>
		<title>SJK: Created page with &quot;:Not to be confused with Apple's HFS filesystem {{FormatInfo |formattype=electronic |subcat=Filesystem }} '''HFS''' ('''Hierarchical File System''') is a Unix filesystem s...&quot;</title>
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				<updated>2021-01-02T11:35:01Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;:Not to be confused with Apple&amp;#039;s &lt;a href=&quot;/wiki/HFS&quot; title=&quot;HFS&quot;&gt;HFS&lt;/a&gt; filesystem {{FormatInfo |formattype=electronic |subcat=Filesystem }} &amp;#039;&amp;#039;&amp;#039;HFS&amp;#039;&amp;#039;&amp;#039; (&amp;#039;&amp;#039;&amp;#039;Hierarchical File System&amp;#039;&amp;#039;&amp;#039;) is a Unix filesystem s...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;:Not to be confused with Apple's [[HFS]] filesystem&lt;br /&gt;
{{FormatInfo&lt;br /&gt;
|formattype=electronic&lt;br /&gt;
|subcat=Filesystem&lt;br /&gt;
}}&lt;br /&gt;
'''HFS''' ('''Hierarchical File System''') is a Unix filesystem supported on IBM's OS/390 and z/OS mainframe operating systems.&lt;br /&gt;
&lt;br /&gt;
The HFS filesystem is actually stored as a VSAM LDS dataset in the [[VTOC]] filesystem.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
* [[Wikipedia:Hierarchical_File_System_(IBM_MVS)|Wikipedia article]]&lt;br /&gt;
&lt;br /&gt;
[[Category:IBM]]&lt;/div&gt;</summary>
		<author><name>SJK</name></author>	</entry>

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