prints the output

does not print the output

changes the output

None of the above

provides the execute permission

removes the execute permission

provides write permission

removes read permission

checks for the existence of a file

checks for existence of a directory

checks for read permission on a file

checks for write permission on a file

cat *.txt -length=10

disp 10 .txt

head -10 *.txt

print 10 *.txt

help mv

man mv

mv ?

mv help

grep test *

lookup test *

search test *

dir test .

ren FILE1 FILE2 - i

ren FILE1 FILE2

cp FILE1 FILE2

mv FILE1 FILE2

dir *

dir .

list all

ls -a

fchmode()

fchmod()

chmod()

All the above.

uname -v

uname -p

uname -s

uname -r

i and ii

i,ii,iv

iii,iv

All the above.

$1

$0

$*

$#

grep "^\$" filename

grep "^\$" filename

grep "^\\$" filename

grep "^\\$" filename

mkdir -p x/y x/y/z

mkdir -r x/y x/y/z

mkdir x x/y x/y/z

mkdir -x x/y x/y/z

CPU register is 64 bit

It stores information in hard disk as 64-bit format

Data in main memory stored in 64-bit

OS is developed using 64-bit compiler

4.x

5.x

6.x

7.x

MS office

IE

Windows Mail

Windows Media Player

foo

nul

xp

reg

Memory overflow error may occure

CPU will slow down

Hard disk operations may be very slow

May slow down pc performance due to more memory fragmentation.

CPU register is 64 bit

It stores information in hard disk as 64-bit format

Data in main memory stored in 64-bit

OS is developed using 64-bit compiler