Sun/Solaris peaked with the dot-com boom. They did put the dot in dot-com, after all. Linux was often seen as too immature, so many startups (at least the ones

Sun/Solaris peaked with the dot-com boom. They did put the dot in dot-com, after all. Linux was often seen as too immature, so many startups (at least the ones I am personally familiar with...) went with Sun hardware. By the late 00's, Linux was much more solid and Sun didn't stand a chance.