"Arun Kumar, the practice director of Open Source
Consulting and Enterprise System Management at Red Hat, is very
matter-of-fact about when Linux does and doesn't work as a desktop
solution.
According to Kumar, Linux is typically being used on the PC in
the following three scenarios:
1. The PC power user: someone who runs and uses numerous
applications, such as a graphic designer or manager.
2. Organizations that run only one or two applications on many
desktops, perhaps thousands of desktops: for example, a work
environment such as a call center.
3. Work stations, where PCs are part of a wide network and used for
development work: for example, PCs used by engineers or
researchers.
Kumar doesn't recommend Linux for the first scenario, the PC
power user."