Market share of server OSes sold (free versions of Linux not included)
| 1998 | 1997
| Other | 2.4% | 3.8%
| OS/2 | 3.0% | 6.3%
| Combined Unix | 17.4% | 20.7%
| NetWare 3.x, 4.x, and 5.x | 24.2% | 26.4%
| Windows NT | 35.8% | 36%
| Linux | 17.2% | 6.8%
| Total market: 4.4 million units | Total market: 3.5 million units
SOURCE: International Data Corporation.
