version

version -a

uname

no command

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 /

removedir

rmdir

rm

None

chpasswd

passwd

chpass

password

fg,bg, &

switch

None

Both

for i in *; do mv $i echo $i | tr [A-Z] [a-z]; done

ls | mv $i | tr [A-Z] [a-z];

ls | for I in do mv $i | tr [A-Z] [a-z]; done

None

past working directory

people working directory

path working directory

present working directory

A application to create Unix boot immages

Application to create text files

Application to create animations

Application to create text file as well as animations

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

True

False

Append, Insert and copy modes

Insert Mode, delete mode

Add mode, delete mode, append mode

Command, Insert mode, Edit mode

/ *

/$

/&

None

:set upper/lower on

Use ~

:/s lower to upper

None

vi -R

vi filename readonly

vi -r

Not possible

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

A mechanism to share printer across users

A request made by the device to unix kernel

None

Use jobs command

Use print command

Use lpq command

Use lpc command

True

False

{}, ~, $,($)

{}, $, ~,($)

{}, ~,$,($)

None