Print "HELLO" Without using any semicolon in C

#include main( ) { if (printf("HELLO")) { } }

#include<stdio.h> main( ) { switch (printf("HELLO")) { } }

#include<stdio.h> main( ) { while (!printf("HELLO")) { } }

Print "HELLO" Without using printf( ) in C

#include<stdio.h> main( ) { puts("HELLO"); }

Print "HELLO" Without main( ) in C

#include<stdio.h> #define begin main begin( ) { printf("hello\n"); }

Matrix Using Notepad

@echo off color 1 mode 1000 :a echo %random%%random%%random%%random%%random% %random%%random%%random%%random%%random% %random%%random%%random%%random%%random% %random%%random%%random%%random%%random% %random%%random% goto a

Note : type "random" any number of times that you want . 

Change color of CMD

Open command prompt . and then type following command

--> color color_code

to know about code of supporting color just type

--> help color

0 = black                               8 = gray 
1 = blue                                9 = light blue
2 = green                               A = light green
3 = aqua                                B = light aqua
4 = red                                 C = light red
5 = purple                              D = light purple
6 = yellow                              E = light yellow
7 = white                               F = bright white

Don't type "-->"

Timer Using Notepad

@echo off
echo 5
ping localhost -n 2 >nul
cls
echo 4
ping localhost -n 2 >nul
cls
echo 3
ping localhost -n 2 >nul
cls
echo 2
ping localhost -n 2 >nul
cls
echo 1
ping localhost -n 2 >nul
cls
echo time out!!!!
pause

Type this code in notepad and save as .bat file  and run.

Clock using Notepad

@echo off
:start
echo  date:%date% time:%time%
goto  start

Type this code in notepad. and save this file as .bat and run this file.