4MLinux 10.0 (and later) includes an improved support for webcams, which makes it possible to play/record video streams from your device.
If you are going to use your webcam with Skype, you may also have a look at this post.
1) Open your terminal and execute the "webcam" command:
2) Let's try to play (with "webcam play"):
3) Time to record something (with "webcam record"):
The only proper way to stop recording is pressing "q". Any other method may hang your system!