Interesting notepad trick.

Step 1: Open Notepad
Step 2: Write following line in the notepad.
this app can break
Step 3: Save this file as xxx.txt
Step 4: Close the notepad.
Step 5: Open the file again.

Voilla!!
or

1> Open Notepad
2> Enter four words separated by spaces, wherein the first word has 4 letters, the next two have three
letters, and the last word has five letters
3> DON'T hit enter at the end of the line.
4> Save the file.
5> Close Notepad.
6> Reopen Notepad.
7> Open the file you just saved.
or
Open a note pad
type Bush hid the facts
save that file,
close it
again open and see...