Bibliography

1

https://www.x.org

2

https://www.xfree86.org

3

Jim Gettys, Philip L. Karlton, Scott McGregor, The X Window System Version 11, DEC CRL 90/08.

4

Elias Israel, Erik Fortune, The X Window System Server, Digital Press.

5

in the XFree86-3.x sources:
xc/programs/Xserver/hw/xfree86/VGADriverDoc