![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
以下哪个定时任务可以每天6.9.12.15.18整点查看一下系统当前挂载的所有文件系统,并将查看的结果追加至/tmp/mounts.txt文件中?()
A.* */3 * * */bin/mount >>/tmp/mounts. txt
B.0 6-18/3 * * */bin/mount >>/tmp/mounts. txt
C.0 6-18 * * */bin/mount >>/tmp/mounts. txt
D.*/3 6-18 * * */bin/mount >>/tmp/mounts. txt
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)