What's x11rec? x11rec is a very ad hoc X11 recorder which creates a movie. x11rec sequentially runs xwd to capture a sequence of window images and finally creates a movie file in an MNG or animated GIF format with ImageMagick and Gifsicle Sample movie which records gnomine (22 sec., 14.5 fps): MNG (66 KB), GIF (38 KB) News! 2001-06-05: x11rec 0.2 released! Use Gifsicle for optimizing movie files.