LiMo

Moblin

Android

WebOS

/usr/bin

/usr/sbin

/usr/peripherals/dev

/etc/dev

/usr/bin

/usr/sbin

/usr/peripherals/dev

/etc/dev

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

A mechanism to connect to printer, keyboard and monitor in linux

A mechanism to share printer across users

A request made by the device to linux kernel

None

sort -d

sort

sort -r

sort -R

A Pipe used by kernel to access device

A pipe to be used by the user to access device

An abstraction to provide support for inter process communication

A device

0

4

1

2

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

It sets file owner permissions to read and write

It sets the permissions of other users to read

It sets group permissions to read and execute

All of them

ln -s Test Link

ln Test Link

ln / Link Test

ln -h Link Test

r--

r -x

rwx

None

/dev/hda1

/dev/null

/dev/ram

/dev/tty

chattr +i /etc/inputrc

chmod 666 inputrc

chmod g=rw inputrc

None

A remote machine address

A printer on a remote machine

A remote printer address

Both a printer and a remote machine

g:Linux/d

:g/Linux/d

g/d/Linux

Linux/:g/d

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 /