Some systems automatically open a file when it is referenced for the first time and close the file when the job terminates. Discuss the advantages and disadvantages of this scheme compared with the more traditional one, where the user has to open and close the file explic

Advantage:

Automatic opening and closing of files free the user from the task involve in opening and closing of files manually.

It is more convenient to the user also.

Disadvantage:

Automatic opening and closing of files requires more overhead than the case where opening and closing of file is done manually by the user.