OS File Systems and Their Implementation

system table

open-file table

file table

directory table

lower

central

higher

none of the mentioned

fill up the cache

increase free space in secondary storage

decrease free space in secondary storage

speed up access

allows

may restrict

restricts

none of the mentioned

each user has his/her own user file directory

the system doesn’t its own master file directory

all of the mentioned

none of the mentioned

left ‘raw’

made into swap space

made into backup space

left ‘ripe’

boot loader

bootstrap

process control block

file control block

an empty directory at which the mounted file system will be attached

a location where every time file systems are mounted

is the time when the mounting is done

none of the mentioned

First fit, Best fit

Worst fit, First fit

Best fit, Worst fit

None of the mentioned

internal fragmentation

external fragmentation

starvation

all of the mentioned