01 #include <stdio.h>
02 
03 int main( int argc, char *argv[] )
04 {
05     printf("Program name %sn", argv[0]);
06 
07     if( argc == 2 )
08     {
09         printf("The argument supplied is %sn", argv[1]);
10     }
11     else if( argc > 2 )
12     {
13         printf("Too many arguments supplied.n");
14     }
15     else
16     {
17         printf("One argument expected.n");
18     }
19     return 0;
20 }

 OUTPUT :
 
 Program name CMD_Demo.exe
 
 The argument supplied is Hello