Linux system administration skills are now the number 2 hottest IT job skill.
Linux系统管理技能是目前排名第二的最热门IT职业技能。
Links, especially symbolic links, are frequently used in Linux system administration.
链接，特别是符号链接，在Linux系统管理中经常用到。
More recently, several books, both good and bad, specifically address Linux system administration.
最近还出现了几本良莠不齐的书籍，它们专门讨论 Linux 系统管理。
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