File attributes

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Protection, Password, Creator, Owner: are related to the file's protection and tell who may access it and who may not.

Hidden flag: do not appear in listing of all the files.

Archive flag: is a bit that keeps track of whether the file has been backed up recently.

Temporary flag: allows a file to be marked for automatic deletion when the process that created it terminates.

Record-length, Key-position, Key-length: are only present in files whose records can be looked up using a key. They provide the information required to find the keys.