Highub – IT Web Tips

To create a C program and run in on Ubuntu can be easy.

1. Install C and C++ Compilers in Ubuntu

Run the following command in the Ubuntu terminal, it will install all the required packages for C and C++ compilers on Ubuntu

sudo aptitude install build-essential

2. Write a Hello World program in C
sudo gedit hello_world.c

add the following lines save and exit the file

/* Program 1.1 Your Very First C Program - Displaying Hello World */
#include <stdio.h>   /* This is a preprocessor directive */
int main(void)   /* This identifies the function main() */
{   /* This marks the beginning of main() */
  printf("Hello world!");   /* This line displays a quotation */
  return 0;   /* This returns control to the operating system */
}   /* This marks the end of main() */

3. Create an Ubuntu executable using the following command

cc -o hello_world hello_world.c

4. run this executable using the following command

./hello_world

Output should show as follows

Hello, world!

Hope it helps! :)