[\-display \fIhost:display.screen\fP] [\-root] [\-window]
[\-install] [\-noinstall] [\-visual \fIvisual\fP]
[\-bgrowth \fImicroseconds\fP] [\-lrate \fInumber\fP] [\-smart \fInumber\fP]
+[\-fps]
.SH DESCRIPTION
.PP
\fIPenetrate\fP simulates the arcade classic with the cities and the stuff
.TP 8
.B -smart
Have the computer player skip the learning process.
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH BUGS
The layout of the screen isn't quite the same as the game this program
tries to emulate. In this this program, the missiles come out of the