Fig. 5-4 lists some file attributes. Not listed in this table is parity. Would that be a useful file attribute? If so, how might it be used?

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Attribute Protection Password Creator Owner Read-only flag Hidden flag System flag Archive flag ASCII/binary flag Random access flag Temporary flag Lock flags Record length Key position Key length Creation time Time of last access Time of last change Current size Maximum size Meaning Who can access the file and in what way Password needed to access the file ID of the person who created the file Current owner O for read/write; 1 for read only O for normal; 1 for do not display in listings O for normal files; 1 for system file O for has been backed up; 1 for needs to be backed up O for ASCII file; 1 for binary file 0 for sequential access only; 1 for random access O for normal; 1 for delete file on process exit O for unlocked; nonzero for locked Number of bytes in a record Offset of the key within each record Number of bytes in the key field Date and time the file was created Date and time the file was last accessed Date and time the file has last changed Number of bytes in the file Number of bytes the file may grow to