操作系统审计一般是对操作系统用户和系统服务进行记录，主要包括：用户登录和注销、系统服务启动和关闭、安全事件等。Linux操作系统中，文件Iastlog记录的是（ ）。
- A.系统开机自检日志
- B.当前用户登录日志
- C.最近登录日志
- D.系统消息
正确答案及解析
正确答案
解析
Linux操作系统中，lastlog文件用于记录系统中所有用户最近一次登录信息。
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