00:01
An operating systems file directory system differs from a traditional file index in several ways.
00:07
One is by structure.
00:11
So a traditional file index is typically a separate data structure that contains reference sensor pointers to the actual data stored in the files.
00:19
It's usually stored separately from the files themselves and in contrast an operating systems file directory is an integral part of the file system and is stored within the file system itself.
00:34
A traditional file index is often organized as a separate data structure such as a b tree or a hash table optimized for efficient searching and retrieval of file data.
00:44
On the other hand an operating systems file directory is usually organized hierarchically in a tree -like structure with directories containing sub directories and files.
00:56
Metadata.
00:58
An operating systems file directory typically includes additional metadata about each file such as its size, permissions, creation or modification dates, and ownership information.
01:08
And this metadata helps the operating system manage and control access to the files.
01:13
In a traditional file index the focus is primarily on the files location and retrieval...