If a database has many views, especially views with sortable column headings, this structure can use a substantial amount of disk space.

如果数据库有许多视图，尤其是如果有许多带有可排序的列标题的视图，则该结构会占用大量磁盘空间。

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The first column, usually with a header according to the block size data, shows the total size of the disk.

第一列通常具有与块大小数据相对应的标题，它显示了磁盘的总大小。

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A look at the name column shows that two of the files (FDs 2 and 15) have the disk name instead of a file name and that they're of type VREG (regular file).

name列显示出，其中的两个文件(FD 2和15)使用磁盘名代替了文件名，并且它们的类型为VREG(常规文件)。

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