Ubuntu中文论坛

i've just finished the installation of ubuntu. Pingyin, 3D, flash,audio ....are not avilable ... a lot of quetions but don't know where to start over.
and before this, i have never involved in linux
is that necessary to have a systematically study on linux in order to save these problems?

viewtopic.php?f=77&t=179311 #分区专贴wangdu2002.
viewtopic.php?f=48&t=182132 #新手导航wangdu2002.

http://wiki.ubuntu.org.cn #Wiki是最好的师友，还有在红联或Ubuntu中文论坛搜下各种优化贴，配置贴，里面有各种格式的软件安装方法的。