Linux learning record. 2.hello WORLD.C

Spring Festival Holiday, busy a few days did not study.

Install vim, instruction: sudo apt-get install vim

Create a subdirectory WorkSpace, instruction MkDir WorkSpace

Go to this directory, instruction CD WorkSpace

New c file, command touch HELLOWORLD.C

View files under this directory, instruction LS

Use Vim to open it, instruction vim HELLOWORLD.C

TAB key to auto-complete

Edit the. c file key I or A or INS key and start writing the program

#include <stdio.h>

int main () {

printf ("Hello world!");

return 0;

}

Press the ESC key to enter the directive: Wq keep exiting the Vim editor

Next start compiling, instructions

One: GCC helloworld.c This command will compile the native a.out executable file

II: GCC hellohorld.c-o HelloWorld generate HelloWorld executable file

Run the generated executable file, instruction./+ Execution file name

Linux learning record. 2.hello WORLD.C