\end{verbatim}
The first line of the configuration (kernel...) tells GRUB where to
- find Xen itself and what boot parameters should be passed to it. The
- second line of the configuration describes the location of the
+ find Xen itself and what boot parameters should be passed to it (in
+ this case, setting domain 0's memory allocation and the settings for
+ the serial port).
+
+ The second line of the configuration describes the location of the
XenLinux kernel that Xen should start and the parameters that should
- be passed to it.
+ be passed to it (these are standard Linux parameters, identifying the
+ root device and specifying it be initially mounted read only and
+ instructing that console output be sent both to the screen and to the
+ serial port).
As always when installing a new kernel, it is recommended that you do
-not remove the original contents of \path{grub.conf} --- you may want
+not remove the original contents of \path{menu.lst} --- you may want
to boot up with your old Linux kernel in future, particularly if you
have problems.