-take away is that the <code>open, read, write</code> interface is a
-generic concept that works for different kinds of devices, not only
-for storing data in a file on a hard disk.
+take away is that the <code>open</code>, <code>read</code>,
+<code>write</code> interface is a generic concept that works for
+different kinds of devices, not only for storing data in a file on a
+hard disk.