n are write-only.</p>

<p>Tags in the family 1 &quot;System&quot; group are referred to as &quot;pseudo&quot; tags because
they don&#39;t represent real metadata in the file.  Instead, this information
is stored in the directory structure of the filesystem.  The five writable
&quot;pseudo&quot; tags (FileName, Directory, FileModifyDate, FileCreateDate and
HardLink) may be written without modifying the file itself.  The TestName
tag is used for dry-run testing before writing FileName.
</p>
<blockquote>
<tabl