create a gif image on linux From Screen

1. Install  :byzanz-record :
          apt-get install byzanz-record
  Or go to Synaptic Window and Search on byzanz .

2.Example of Use:
  byzanz-record --duration=6 --delay=3 --x=110 --y=60 --width=600 --height=500 /home/toumi/Bureau/dd52.gif


    -d, - duration = Duration of the animation SEGS
   - delay = SEGS time before the start (default 1 second)
   -l, - Let the loop looping animation
   -c, - Save the cursor mouse
   -x, - x = X coordinate of the pixel rectangle to register
   -y - y = Y coordinate of the pixel rectangle to register
   -w, - width = pixels Width of the rectangle to register
   -h, - height = pixels height of the rectangle to register
   -v, - verbose Details
   - display = DISPLAY X display to use

3.Demo : 

      wait for youtube video