Nothing else to say everything is on the video:
Remember to install wmctrl which is needed to make this work:
$ sudo apt-get install wmctrlHere are the command lines:
Command line 0:
wmctrl -r :ACTIVE: -b remove,maximized_vert,maximized_horz && WIDTH=`xdpyinfo | grep 'dimensions:' | cut -f 2 -d ':' | cut -f 1 -d 'x'` && HALF=$(($WIDTH/2)) && wmctrl -r :ACTIVE: -b add,maximized_vert && wmctrl -r :ACTIVE: -e 0,0,0,$HALF,-1
Command line 1:
wmctrl -r :ACTIVE: -b remove,maximized_vert,maximized_horz && WIDTH=`xdpyinfo | grep 'dimensions:' | cut -f 2 -d ':' | cut -f 1 -d 'x'` && HALF=$(($WIDTH/2)) && wmctrl -r :ACTIVE: -b add,maximized_vert && wmctrl -r :ACTIVE: -e 0,$HALF,0,$HALF,-1
Command line 2:
wmctrl -r :ACTIVE: -b add,maximized_vert,maximized_horz
Command line 3:
wmctrl -r :ACTIVE: -b remove,maximized_vert,maximized_horz