attention:有些commend不适合ubuntu，要区分
install mono,(mono-complete and monodevelop):
sudo apt-get install mono-complete monodevelop
edit:
vim helloworld.cs
build:
mcs helloworld.cd
run:
./helloworld.exe
done.
attention:有些commend不适合ubuntu，要区分
install mono,(mono-complete and monodevelop):
sudo apt-get install mono-complete monodevelop
edit:
vim helloworld.cs
build:
mcs helloworld.cd
run:
./helloworld.exe
done.