Which of the following statements is TRUE about mounting a file system?()
A file system cannot be mounted on a directory containing data.
B. Mounting a file system on a mount point containing data will delete the data.
C. Mounting a file system on a amount point containing data will make the data temporarily inaccessible.
D. A systems administrator must manually create an empty directory prior to mounting an AIX JF
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简述卷烟机烟支切刀与喇叭嘴架相对位置的基本调整要求。
关闭当前编辑的演示文稿窗口而不退出PowerPoint,采用()命令。
Alt+X
B. Alt+F4
C. 选择“文件”菜单中的“关闭”
D. 选择“文件”菜单中的“退出”
在数据库设计中,()是系统中各类数据描述的集合,是进行详细的数据收集和数据分析所获得的主要成果。