利用命令行运行C代码（Hello,World!）

下培根功夫:

-B Add to the compiler's search paths.

-v Display the programs invoked by the compiler.

-### Like -v but options quoted and commands not executed.

-E Preprocess only; do not compile, assemble or link.

-S Compile only; do not assemble or link.

-c Compile and assemble, but do not link.

-o Place the output into .

-pie Create a dynamically linked position independent