PCとタブレットのOSシェアでは、Windows 7が53.28%でトップ。 次いでWindows XPが20.43%、Windows Vistaが12.56%、Windows 8が3.71%の順だった。 Windows以外ではiOS(iPad)が3.50%と最も多く、以下はMac OS X 10.6が1.62%、Mac OS X 10.8が1.45%、Mac OS X 10.7が1.12%、Linuxが0.73%と続いた。
Unixの「sudo」コマンドの脆弱性がOS Xでは修正されないままになっている。Metasploitはこの脆弱性を突くコードを追加したことを明らかにした。 h t t p : / / www.itmedia.co.jp/enterprise/articles/1309/02/news024.html
www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0 Windows 7 45.63% Windows XP 33.66% Windows 8 7.41% Windows Vista 4.11% Mac OS X 10.8 3.42% Mac OS X 10.7 1.65% Mac OS X 10.6 1.65% Linux 1.52% Mac OS X 10.5 0.39% Windows 8.1 0.24% Windows NT 0.09% Mac OS X 10.4 0.09% Mac OS X 10.9 0.05% Windows 2000 0.04% Mac OS X (no version reported) 0.01%
Windows 7 46.43% Windows XP 31.41% Windows 8 8.02% Windows Vista 3.98% Mac OS X 10.8 3.69% Mac OS X 10.6 1.68% Mac OS X 10.7 1.66% Linux 1.64% Windows 8.1 0.87% Mac OS X 10.5 0.35% Windows NT 0.09% Mac OS X 10.4 0.09% Mac OS X 10.9 0.06% Windows 2000 0.03% Mac OS X (no version reported) 0.01% Windows 98 0.00% FreeBSD 0.00%
Windows 7 46.64% Windows XP 31.22% Windows 8 6.66% Windows Vista 3.57% Windows 8.1 2.64% Mac OS X 10.9 2.42% Mac OS X 10.8 1.85% Linux 1.56% Mac OS X 10.6 1.53% Mac OS X 10.7 1.34% Mac OS X 10.5 0.32% Windows NT 0.09% Mac OS X 10.4 0.08% Windows 2000 0.03% Mac OS X (no version reported) 0.01% Windows 98 0.00% FreeBSD 0.00%
Operating System Total Market Share Windows 7 52.71% Windows XP 23.87% Windows 8.1 6.67% Windows 8 5.59% Mac OS X 10.9 4.05% Windows Vista 3.07% Linux 1.64% Mac OS X 10.6 0.74% Mac OS X 10.8 0.60% Mac OS X 10.7 0.57% Mac OS X 10.1 0.25% Mac OS X 10.5 0.14% Windows NT 0.05% Mac OS X 10.4 0.04% Windows 2000 0.02% Mac OS X (no version reported) 0.01% http://www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0
Operating System Total Market Share Windows 7 53.05% Windows XP 17.18% Windows 8.1 10.92% Windows 8 5.88% Mac OS X 10.9 3.66% Windows Vista 2.82% Windows NT 1.64% Linux 1.41% Mac OS X 10.10 1.18% Mac OS X 10.6 0.72% Mac OS X 10.8 0.57% Mac OS X 10.7 0.56% Mac OS X 10.1 0.19% Mac OS X 10.5 0.14% Mac OS X 10.4 0.03% Win64 0.02% Windows 2000 0.02% Mac OS X (no version reported) 0.01% Windows 98 0.00%
Image Operating System Total Market Share Windows 7 55.92% Windows XP 18.93% Windows 8.1 10.04% Windows 8 3.79% Mac OS X 10.10 3.45% Windows Vista 2.44% Mac OS X 10.9 1.82% Linux 1.34% Mac OS X 10.6 0.65% Mac OS X 10.7 0.53% Mac OS X 10.8 0.48% Windows NT 0.21% Mac OS X 10.5 0.12% Windows 2000 0.08% Windows 10 0.05% Win64 0.04% Mac OS X 10.4 0.03% Windows 98 0.03% Windows 3.1 0.03% Mac OS X (no version reported) 0.01% Windows ME 0.00%
Desktop Operating System Market Share February, 2015 Operating System Total Market Share Windows 7 55.99% Windows XP 19.15% Windows 8.1 10.49% Windows 8 3.55% Mac OS X 10.10 3.55% Windows Vista 2.11% Mac OS X 10.9 1.65% Linux 1.53% Mac OS X 10.6 0.61% Mac OS X 10.7 0.47% Mac OS X 10.8 0.46% Mac OS X 10.5 0.12% Windows NT 0.11% Windows 10 0.08% Windows 2000 0.04% Mac OS X 10.4 0.03% Win64 0.02% Windows 3.1 0.01% Windows 98 0.01% Mac OS X (no version reported) 0.00% Windows ME 0.00% Windows 95 0.00%