A few years ago market share data clearly demonstrated Linux server growth outpacing Windows server growth. Today, Linux server growth has apparently slowed while Windows is picking up, according to IDC. Why? The rate of migration from Unix to Linux has slowed.
In other words, Linux may have hit the end of Unix's low-hanging fruit (which also might mean that Sun's OpenSolaris has picked up...?).
Linux growth in the U.S. x86 server market has, over the past six quarters, started to falter and reverse its positive course relative to Windows Server and the market as a whole.
The annual rate at which Linux is growing in the x86 server space has fallen from around 53 percent in 2003 (45 percent globally), when Windows Server growth was in the mid-20 percent range, to a negative 4 percent growth (less than 10 percent globally) in calendar year 2006, IDC Quarterly Server Tracker figures show.… Read more