Tag: technology

fsck

fsmount

mount

mountfs

1

2

5

6

To synchronize user applications

To synchronize keyboard and monitor

To synchornize disk buffers

To syschronize main memory and cache memory

Printer users

Not allowed to login using rlogin/ssh

root users

User id cannot be 0

0

4

1

2

gunzip/expand

gzip

zip

winzip

tar -cvf file/tar -xvf file

tar -xvf file /tar -cvf file

tar -cvf file.tar /tar -xvf file.tar /

tar -xvf file.tar /tar -cvf file.tar /

fg,bg, &

switch

None

Both

Every one can read, group can execute only and the owner can read and write

Every one can read and write, but owner alone can execute

Every one can read, group including owner can write, owner alone can execute

None

A request by the users to access kernel functions

A request by kernel to the device

A request by the device to kernel

None