Questions

Gorakhpur railway platform in Uttar Pradesh is the longest railway platform in the world.

Kandoori festival is a festival which is celebrated by the Muslims of South India every year with great enthusiasm and grace. The festival is celebrated in commemoration of the anniversary of the saint's death, and pilgrims participate in the rituals and rites.

The 462nd annual Kandoori festival has commenced at nearby Nagore Dargah, a famous Muslim pilgrim centre in Tamilnadu.

A star is a self luminous astronomical object and shines due to internal radiation from the enrgy sources. All stars are held together by their own gravity called Gravitational force.

Systems biology is mainly an attempt to understand the behavior of entire biological systems by studying interactions among its component parts.

#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.