How to compile C program in ubuntu using gcc

To compile your program using gcc compiler you need to download build essential library
so write on terminal

$sudo apt-get install build-essential

make a file called test.c

write a test C program

• #include<stdio.h>
• #include<stdlib.h>
• int main()
• {
• printf("\nHello World\n\n");
• return(0);
• }

Save the program and go to the directory in which you have made your test.c

$ cd test.c

COMPILE 

$ gcc -Wall -W -Werror test.c -o test

RUN

$ ./test

now your program is running.