Apple Mac OS X Password Protected Folder::..

For Password Protected Folder go to

1- Utilities (cmd+shift+u)

2- open "Disk Utility"

3- Make "New Image"

Now in

Save As: (put ur folder nam xyz)
others options as u like..
but in
Encryption : (make 128.bit)

then click on "Creat"

4- Put any password and verified it.

5- Uncheck "Remember password in my keychain"

click ok.

Now Finish