What you see on the real screen !

Stuff

openvt – start a program on a new virtual terminal (VT)

-s, –switch: Switch to the new VT when starting the command. The VT of the new command will be made the new current VT

openvt -s cmatrix

then switch to the VT where the stuff is output.

chvt – change foreground virtual terminal

switch to virtual terminal 2:

chvt 2