clear command erases the current screen or output device as specified
set output. This usually generates a formfeed on hardcopy devices. Use
set terminal to set the device type.
For some terminals
clear erases only the portion of the plotting surface
set size, so for these it can be used in conjunction with `set
multiplot` to create an inset.
set multiplot plot sin(x) set origin 0.5,0.5 set size 0.4,0.4 clear plot cos(x) set nomultiplot
set size, and
set origin for details of these