Questions

Himachal pradesh 

It is an investment strategy that involves the buying of money market instruments or currencies in anticipation of a price rise or a future increase in demand. Buying forward allows an investor to take advantage of future and potential profits by buying now at alower price, and selling when prices rise.

#include
int main( int count,char * argv[] ) {
    int i;
    FILE *ptr;
    char *str;
    char ch;
    if( count == 1) {

         printf( "The syntax of the command is incorrect.\n" );
    }
    for( i=1;i<cout;i++ ){
         ptr=fopen(argv[i],"r");
         if(ptr==NULL){
             printf("The system cannot find the file specified.");
             if(count>2)
                 printf("\nError occurred while procesing : %s.\n",argv[i]);
         }
         else {
             if(count>2) {
                 printf("%s\n\n",argv[i]);
             }
             while((ch=getc(ptr))!=-1)
                 printf("%c",ch);
         }
         fclose(ptr);
    }
    return 0;
}

Save the above file as open.c, compile and execute the go to command mode (current working directory) and write: open xy.c (xy.c any file present in that directory)
To run the open command in all directories and drive you will have to give the path of current working directory in command mode. Write:
C:tc\bin>PATH c:\tc\bin
Now press enter key. Now your open command will work in all directory and drive.