Linux graphics performance is affected by your choice of graphics hardware, video driver and graphics interface. Let's take a look at the open-source XFree86 server, the commercial Xi server, ATI Fire ...

Protocol drivers follow the standard Linux driver model and are pretty straight forward.

USB drivers included in the Linux kernel are rife with security flaws that in some cases can be exploited to run untrusted code and take over users' computers.

Linux kernel developers are banding together to insist open open modules and open drivers for the Linux kernel.