Howto wmctrl
============
https://wiki.ubuntuusers.de/wmctrl/

sudo apt-get install wmctrl

Get information about program windows and workspaces:

## List of windows:
wmctrl -l
0x0100000c  0 host freepad
0x0120000c  4 host openssh
0x0180000c  4 host openssh
0x0140002b  1 host wmctrl › Wiki › ubuntuusers.de — Mozilla Firefox
0x01a0000c  4 host xterm
0x01e0000c  2 host xterm
0x0240000c  3 host VIM: ~/howto.wmctrl.txt        

## List of workspaces:
wmctrl -d
0  - DG: N/A  VP: 0,0  WA: N/A  1:tui
1  - DG: N/A  VP: 0,0  WA: N/A  3:firefox
2  * DG: N/A  VP: 0,0  WA: N/A  5:xterm
3  - DG: N/A  VP: 0,0  WA: N/A  6:vim
4  - DG: N/A  VP: 0,0  WA: N/A  10

## Switch to a workspace:
wmctrl -a freepad

## Move a window to the active workspace:
wmctrl -R firefox

## Move an active windows to the second workspace:
## Counting starts at zero!
wmctrl -r :ACTIVE: -t 2

## Select a window with the mouse and maximize horizontally:
wmctrl -r :SELECT: -b add,maximized_horz 

## Select a window with the mouse and set position (200 px, 200 px) and size (640x480 px):
wmctrl -r :SELECT: -e 0,200,200,640,480