c in ubuntu

1,sudo apt-get install build-essential
2,gedit
3,sudo apt-get install devhelp
4,hello.c
5,gcc hello.c -o hello
6,./hello

http://blog.csdn.net/dreamer_gz/archive/2009/03/01/3948137.aspx
http://hi.baidu.com/jancwh/blog/item/7d41e53c2a4912cf9f3d62b3.html