<h1>In summary</h1>
<ul>
-<li> Loopback mounts — don't do much.
-<li> Loopback mounts with NBD and nbdkit — infinitely flexible.
+<li> Loop mounts — don't do much.
+<li> Loop mounts with NBD and nbdkit — infinitely flexible.
<li> Lots of plugins, or write your own.
<li> Software development and testing.
<li> nbdkit 1.8 now available in all major Linux distros.