认识Debian
Debian -- 通用操作系统
https://www.debian.org/
DebianStretch - Debian Wiki
https://wiki.debian.org/DebianStretch
Debian 9 'Stretch' Linux has arrived | ZDNet
https://www.zdnet.com/article/debian-9-stretch-linux-has-arrived/
What's what in Debian Jessie | ZDNet
https://www.zdnet.com/article/whats-what-in-debian-jesse/