from them by @option{--}, so that the whole command looks like
@code{pintos @var{option}@dots{} -- @var{argument}@dots{}}. Invoke
@code{pintos} without any arguments to see a list of available options.
-Options can select a simulator to use: the default is Bochs, but on the
-Linux machines @option{--qemu} selects qemu. You can run the simulator
+Options can select a simulator to use: the default is Bochs, but
+@option{--qemu} selects qemu. You can run the simulator
with a debugger (@pxref{GDB}). You can set the amount of memory to give
the VM. Finally, you can select how you want VM output to be displayed:
use @option{-v} to turn off the VGA display, @option{-t} to use your
second of real time. Simulation in real-time mode is not reproducible,
and options @option{-j} and @option{-r} are mutually exclusive.
-On the Linux machines only, the qemu simulator is available as an
+The qemu simulator is available as an
alternative to Bochs (use @option{--qemu} when invoking
@command{pintos}). The qemu simulator is much faster than Bochs, but it
only supports real-time simulation and does not have a reproducible