1 vim+cscope      *****
2 familiar with gstreamer, how to build basic applications   ***
3 read google mails and readers to get up-to-date info  ***
4 read documents about kernels(virtual file system),don't need too deep, just know how it works, and the major work flows         **


the first most important and urgent. and I have do it in 1 day(29th)