Unix Questions

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111.

Which of the following commands is used to copy directory structures in and out

A

cp

B

cpio

C

cp - p

D

copy

E

None of the above

Correct Answer: B

None.

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112.

Which of following commands is used for an automatic reminder service?

A

write

B

mesg

C

calendar

D

mail

E

None of the above

Correct Answer: C

None.

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113.

Which command allows you to view your file 24 lines at a time?

A

more

B

pg

C

cat

D

lp

E

None of the above

Correct Answer: B

None.

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114.

Which of the following special shell variables is used to process number of the current shell?

A

$!

B

$$

C

$0

D

$*

E

None of the above

Correct Answer: B

None.

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115.

Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files?

A

#NAME?

B

#NAME?

C

-r

D

#NAME?

E

None of the above

Correct Answer: A

None.

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116.

Which command is used with vi editor scroll half page backward?

A

[Control-d]

B

[Control - u]

C

[Control-c]

D

[Control -P]

E

None of the above

Correct Answer: B

None.

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117.

Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line?

A

tch

B

fch

C

rch

D

ech

E

None of the above

Correct Answer: B

None.

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118.

Which of the following keys is used to delete the character beneath the cursor?

A

x

B

X

C

dd

D

D

E

None of the above

Correct Answer: A

None.

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119.

Which command is used to assign only read permission to all three categories of the file 'note'?

A

chmod go+r note

B

chmod a-rw

C

chmod ugo=r note

D

chmod u+r,g+r,o-x note

E

None of the above

Correct Answer: C

None.

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120.

Which command will be used with vi editor to append text at end of line?

A

A

B

a

C

i

D

I

E

None of the above

Correct Answer: B

None.

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