Using Ratpoison/Pros and cons

Pros

 * 1) Ratpoison is extremely lightweight and will therefore run on ancient hardware as well as a 32-way SPARC.
 * 2) Rodent usage is minimized and the keyboard is promoted, relieving your arms and shoulders and decreasing the risk of injury
 * 3) Ratpoison works very well with multiple monitors

Cons

 * 1) A bit cumbersome to work with
 * 2) Not suited for UNIX beginners, this is a window manager written by experts for experts
 * 3) Some programs are not written for this kind of window managers and do not work very well.