ocols.htm#scp">SCP protocol</a> the change is made once for each selected
file or directory only, so it can be much quicker. However as consequence WinSCP will not be able to keep
some properties, especially permissions, of files in subdirectories unchanged, when you request it.
</p>

<a name="checksum"></a>
<h4>Checksum</h4>

<p>
The <em>Checksum</em> tab lets you calculate checksum/hash of selected file(s).
The feature is available with <a href="protocols.htm#sftp">SFTP protocol</a>
only, subject to suppo