It is easy for C Programming in Linux to start from scratch.

It is easy for C Programming in Linux to start from scratch-general Linux technology-Linux programming and kernel information. The following is a detailed description. Let's start with the basic hello world Program and perform the following operations:

1. Input Source Code

$ Emacs hello. c >>> enter the emacs editor Environment

# Include >>> If you don't understand this function, read the C language books.

Int main ()

{

Rintf ("Hello World. \ n") ;>>> In the Emacs environment, press the Tab key to enable automatic indent.

Exit (0 );

}

After the input is complete, press CTRL, Press x, then press c, and finally release CTRL. >>>> The program retains and exits the emacs environment.

2. Compile, link, and run

Reference

$ Gcc? O hello. c

$./Hello >>>>./specifies the path of the program to be executed.

Hello World.

$

C program development on a linux platform has been completed.

3. debugging

If you want to use gdb to debug the program, remember to add? G Option

Reference

$ Gcc? G? O hello. c

$ Gdb hello >>>> enter the gdb debugging environment