from the older Unix as buyers flock to cheaper systems.
But Unix vendors, even those that have embraced Linux, aren't giving up on the old workhorse. They're touting Unix as a complement, and in some cases
a grown-up alternative, to Linux on low-cost machines.
Much of Linux's rise stems from the fact it's free and open source. Tech staffs can tailor it to their companies' needs.
Another big factor is Linux, unlike Unix, was designed to run on lower-cost machines, those that use the same Intel Corp. x86 chips that power the