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MCQ

Q.

Which of the following is invalid filename?

A

shutry

B

TRY

C

trial

D

my .file

E

None of the above

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1.

Which option will be used with disk free command to include the total amount of disk space in the file system?

A

#NAME?

B

#NAME?

C

-4

D

#NAME?

E

None of the above

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2.

Which of the following commands is used to update access and modification times of a file?

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grep

B

wc

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touch

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cat

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Which of the following commands is used to identify the type of file by context?

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cat

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file

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The cat command is used to

A

capture a file

B

display a file

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print a file

D

copy a file

E

None of the above

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Which commands is used to assign executable permission to all of the files named "letter"?

A

chmod ugo+r letter

B

chmod ugo+rw letter

C

chmod u+x letter

D

chmod ugo+x letter

E

None of the above

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