Hello,
I hope that anybody will find my small tutorial intresting:
http://4mlinux.blogspot.com/2014/03/ora ... albox.html
4MLinux live CD ( or live USB) makes it possible to try VirtualBox without needing to install it to a hard disk. The basic version of 4MLinux 8.1 is only about 50 MB in size, meaning that the vast majority of your RAM will be left for VirtualBox and its guest host(s), so this should be enough for any modern 32/64 bit computer. 4MLinux uses the newest VirtualBox (which is now 4.3.10) by default.
Download link:
http://4mlinux.com/download.html
PS.
New users might have a problem to log in into 4MLinux, so just in case:
http://4mlinux.blogspot.com/2013/01/4mlinux-login.html