stresslinux is a minimal linux distribution running from a bootable cdrom. stresslinux makes use of some utitlities available on the net like: stress, cpuburn, hddtemp, lm_sensors ...
stresslinux is dedicated to users who want to test their system(s) entirely on high load and monitoring the health.
Who needs it
Stresslinux is for people (system builders, overclockers) who want to test their hardware under high load and monitor stability and thermal environment.
You should be familiar with linux console because stresslinux comes without a graphical user interface.