Changed reference to linux to be politically a bit more correct, and
included reference to The Hurd as a client.
<refname>&dhpackage;</refname>
<refpurpose>serve a file as a block device to other computers
- running the Linux(tm) Operating System</refpurpose>
+ running the &gnu;/Linux(tm) or &gnu;/Hurd Operating
+ System</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>