OS File Systems and Their Implementation

Asynchronous

Regular

Synchronous

Irregular

the beginning of the file

the end of the file

the last written position in file

none of the mentioned

less than

equal to

greater than

keeps varying with

1

0

any of 0 or 1

none of the mentioned

of current interest to the user

stored currently in the system

not used in the system

not of current interest to the system

allocate the space in file system

make an entry for new file in directory

allocate the space in file system & make an entry for new file in directory

none of the mentioned

name & identifier

identifier & type

extension & name

type & extension

different

similar

it is not handled at all

none of the mentioned

transaction

procedure

program

file session

partition

address

file

all of the mentioned