单项选择题
A.The size of the filesystem
B.The placement of the filesystem
C.The mount point of the filesystem
D.The number of bytes per inode
单项选择题 A system administrator is attempting to unmount filesystem /dev/data and receives the following message： umount： 0506-349 Cannot unmount /dev/data： The requested resource is busy. Which of the following commands can be used to determine which process has open references within the filesystem？（）
单项选择题 Whichcommandwillincreasethecontiguousfreespaceofafilesystemwithouthavingtoaddadditionalpartitions？（）
单项选择题 Asystemadministratorhasincreasedthesizethelogicalvolumelv00.Theadministratornowwantstoenlargethefilesystem/fs00thatismountedonlv00tothesamesizethatlv00currentlyis.Whichofthefollowingcommandswillshowtheadministratorthenumberofblockstousewhenincreasingthesizeofthefilesystem/fs00？（）