文件信息块FIB ？

File Information Block?

youdao

输出格式包含了关于目录、文件、函数、行以及块的总结信息。

The export format contains nested summary information about directories, files, functions, lines, and blocks.

youdao

在内存中，超块为管理活动的(已挂载)文件系统提供必要的信息和状态。

In memory, the superblock provides the necessary information and state to manage the active (mounted) file system.

youdao