Mac系统打开命令行终端及查看操作系统版本号的方法

.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
        <key>ProductBuildVersion</key>
        <string>13C1021</string>
        <key>ProductCopyright</key>
        <string>1983-2014 Apple Inc.</string>
        <key>ProductName</key>
        <string>Mac OS X</string>
        <key>ProductUserVisibleVersion</key>
        <string>10.9.2</string>
        <key>ProductVersion</key>
        <string>10.9.2</string>
</dict>
</plist>