First C Programming (Hello World) | Full C Language Program 2021

  First C Program

Before starting the abcd of C language, you need to learn how to write, compile and run the first c program.

To write the first c program, open the C console and write the following code:

#include <stdio.h>   

int main(){   

printf("Hello C Language");   

return 0;  


#include <stdio.h> includes the standard input-output library functions. The printf() function is defined in stdio.h . 

int main() The main() function is the entry point of every program in c language.


printf() The printf() function is used to print data on the console.


return 0 The return 0 statement, returns execution status to the OS. The 0 value is used for successful execution and 1 for unsuccessful execution.

How to compile and run the c program

There are 2 ways to compile and run the c program, by menu and by shortcut.

By menu

Now click on the compile menu then compile sub-menu to compile the c program.

Then click on the run menu then run sub-menu to run the c program.

By shortcut

Or, press ctrl+f9 keys to compile and run the program directly.

You will see the following output on the user screen.

You can view the user screen any time by pressing the alt+f5 keys.

Now press Esc to return to the turbo c++ console.

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