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Q.

Which of the following files contains information related to password aging?

A

Shadow

B

password

C

profile

D

All the three

E

None of the above

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Which of the following command is used to count just the number of lines contained in a file?

A

wc -l

B

wc -c

C

wc -w

D

wc -r

E

None of the above

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2.

Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

A

copy programs/wb misc/wbx

B

cp programs/wb misc/wbx

C

tar programs/wb misc/wbx

D

copy a:programs/wb b:misc/wbx

E

None of the above

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What are the characteristics of Unix semantics?

A

Easy to implement in a single processor system

B

Data cached on a per process basis using write through case control

C

Write-back enhances access performance

D

All of the mentioned

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4.

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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5.

The UNIX file system stores a date in physical blocks of

A

1024 bytes

B

2048 bytes

C

512 bytes

D

256 bytes

E

None of the above

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