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Q.

Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?

A

chmod u-x, go+r note

B

chmod go+r, u+x note

C

chmod g-x, uo+r note

D

chmod go+x, u-x note

E

None of the above

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MCQ

1.

What are non characteristics of session semantics?

A

Each client obtains a working copy from the server

B

When file is closed, the modified file is copied to the file server

C

The burden of coordinating file sharing is ignored by the system

D

Easy to implement in a single processor system

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2.

Which command is used to list all the files with extension .lst?

A

ls -l *.lst

B

ls lst*

C

ls *.*

D

ls *[lst]

E

None of the above

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Which of the following commands is used to obtain a list of all files by modification time?

A

ls -1

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ls -t

C

ls -i

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ls -R

E

None of the above

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Which command is used to count just the number of characters in a file?

A

wc - 1

B

wc -c

C

wc -w

D

wc -r

E

None of the above

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Which command is used with vi editor to search a pattern in the forward direction?

A

/

B

?

C

//

D

??

E

None of the above

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