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Q.

The field separator in cut command is specified with

A

#NAME?

B

#NAME?

C

-r option

D

#NAME?

E

None of the above

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

A

ls

B

cat

C

file

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None of the above

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Which of the following commands is used to change the working directory?

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cd

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cdir

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

A

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chmod u+r ??? emp

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None of the above

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The special shell variable $* is used

A

to exit status of ast command executed.

B

to process number of the current shell

C

to list the positional parameters

D

to name the command being executed

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?

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