Slax Linux is a handy portable operating system that can be a useful alternative to bulky, more complicated Linux options that install to a hard drive. However, it is far from a complete out-of-the-box solution. That is not a bad thing, though. Slax works. Copying just one folder from the downloaded ISO directly to a USB drive gives you a fully functional Linux OS. Without any tinkering, you can add applications and change configurations with all changes permanently stored on the USB drive.