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Q.

The usual effect of abnormal termination of a program is ____________

A

core dump file generation

B

system crash

C

program switch

D

signal destruction

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MCQ

1.

Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

A

chmod u+x emp[1-3]

B

chmod 777 emp*

C

chmod u+r ??? emp

D

chmod 222 emp?

E

None of the above

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2.

Which command is used to move all files to the bin sub-directory of the parent directory?

A

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B

mv * /bin/*

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mv * ../bin

D

mv * ../bin *.*

E

None of the above

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Which of the following commands is used to remove files?

A

erase

B

delete

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rm

D

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E

. None of the above

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Which command is used to display and create files?

A

cat

B

vi

C

ed

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lyrix

E

None of the above

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5.

Which command sends the word count of the file infile to the newfile.

A

wc infile >newfile

B

wc newfile

C

wc infile - newfile

D

wc infile | newfile

E

None of the above

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