Which option is used with touch command which forces the command not to create f

Which option is used with touch command which forces the command not to create file, if it does not exists.

-h

-c

-t

-f

Answer : B

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1) Apart from renaming files, mv command can also

2) Which option is used by tar to append files to the end of an archive?

-t

-c

-x

-r

3) Which option is used for counting the number of words in a file only?

-l

-w

-c

-W

4) Which option is used with lp command if there are more than one printers in the system?

-t

-d

-i

-p

5) Which command will be used for extracting files from an archive named abc.tar?

tar –xvf abc.tar

tar –cvf abc.tar

tar -tvf abc.tar

tar -t abc.tar