Reuters covers the growth of the home Linux market.
"Once you have about 8 to 10 percent of the market, you will see somewhat an explosion of people running it at home," said Timothy Tuck, owner of computer services provider Pervasive Netwerks. "Once they see all the problems going away on their work computer, they want a system as stable and secure as they use at work."
Pervasive helped a Hayward, California, pharmacy switch to Linux to avoid an expensive Windows upgrade. After a while, the drugstore owner adopted Linux at home when he saw that he no longer was plagued by computer viruses at work.