Hello World in Linux

#include <stdio.h>

int Main ()
{
printf ("Hello world!\n");
return 0;
}

After saving the file as HELLO.C, compile the linker to generate the executable file.

Method 1:GCC hello.c//Generate the executable file, the default name is A.out

Method 2:GCC Hello.c-o Hello//Generate executable file Hello

Method 3:gcc-o Hello hello.c//can also switch position

In addition, the next half of Linux installs several C compilers, such as CC, C99, and GCC. For information about the compiler, you can enter the command Whatis cc to view.

stdio.h files are generally under the/usr/include folder under Linux.

Hello World in Linux