官方主页:
http://atterer.net/jigdo/
介绍：
http://dirac.org/linux/debian/jigdo/debian-jigdo-mini-howto_ch-0.9.50.html
http://www-128.ibm.com/developerworks/cn/linux/platform/debian/jigdo/
http://www.tldp.org/HOWTO/Debian-Jigdo/
http://www.debian.org/CD/jigdo-cd/