Hello world!

This is first time I use wordpress. I write blog here because I like some blog here. Like saylinux,…
As my profile, I like opensource and something like: Linux, Ubuntu, Asterisk, Java, …
I want to share and know more knowledge.

Hi hi, I use title “Hello world!” for everything new. It like the first time I learn java, I’ve wrote one class to print “Hello world!” in console.
About rootxvn, it’s combine of root, x, and vn
Start0: start at zero.