The system wide open-file table is used to maintain information about files that are currently open. Should the operating system maintain a separate table for each user or just maintain one table that...

The system wide open-file table is used to maintain information about files that are currently open. Should the operating system maintain a separate table for each user or just maintain one table that contains references to files that are being accessed by all users at the current time? If two different programs or users are accessing the same file, should there be separate entries in the open file table?