在Linux系统中，可用（ ）工具检查进程使用的文件、TCP/UDP端口、用户等相关信息。
- A.ps
- B.lsof
- C.top
- D.pwck
正确答案及解析
正确答案
解析
在Linux系统中，lsof可以列出某个进程/用户所打开的文件信息，可以查看所有的网络连接、查看TCP/UDP连接及端口信息。
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