[user02@FC4 Lesson02]$ cat -n first.c

   1  #include <stdio.h>
   2
   3  int main(void)
   4  {
   5     printf("Rescued by C!\n");
   6
   7     return 0;
   8  }

[user02@FC4 Lesson02]$ gcc -o first first.c
[user02@FC4 Lesson02]$ ./first
Rescued by C!