Mapping of identities between UNIX user IDs and Microsoft security identifiers.
在UNIX用户IDs与Microsoft安全标识符之间映射身份。
Microsoft Security Essentials is still the best darn antivirus we've used, it's free, and it just came out with a new version boasting even more virus-killing power.
Microsoft SecurityEssentials仍然是我们现在使用到现在为止发现的最好用的反病毒软件，免费并且刚发布了一个说拥有更高杀毒能力的新版本。
Microsoft Security Essentials is still the best darn antivirus we've used, it's free, and it just came out with a new version boasting even more virus-killing power.
Microsoft SecurityEssentials仍然是我们现在使用到现在为止发现的最好用的反病毒软件，免费并且刚发布了一个说拥有更高杀毒能力的新版本。
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