Running Linux from a USB drive is possible. You can boot just about any distribution you want from USB. There are some things you should consider before going this route. I've used Linux in just about ...
Make Tech Easier shows us how to get up and running with VirtualBox from a bootable USB drive. To do this, you'll need a bootable USB drive (obviously) and you'll need to be comfortable using command ...
VirtualBox is software that runs on Windows, OS X, Linux, and Solaris, capable of full virtualization. Full virtualization allows VirtualBox to run OSes entirely different than the OS it is running on ...