[\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install]
[\-visual \fIvisual\fP] [\-delay \fIusecs\fP] [\-xor] [\-noxor]
[\-clear \fInumber\fP] [\-simul \fInumber\fP]
[\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install]
[\-visual \fIvisual\fP] [\-delay \fIusecs\fP] [\-xor] [\-noxor]
[\-clear \fInumber\fP] [\-simul \fInumber\fP]