Q. perl is ____ of grep, tr, sed and awk.

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Q. The following will display :

perl -e ‘print “UNIX” x 10 . “\n” ;’

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Q. Filter’s are a category of commands that take the advantage of shell redirection feature.

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Q. Which command is used for preparing a file for printing?

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Q. pr command adds ____ lines of margin at the top and bottom.

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Q. Which option is used with pr command for printing multi-columnar output?

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Q. Which option is used with pr command to suppress the header and footers?

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Q. Which option is used with the tail command for extracting bytes instead of lines?

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Q. paste command uses space as the default field delimiter.

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Q. _____ option is used with paste command if we want to specify our own delimiter.

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Q. Which option is used with paste command for joining lines?

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Q. ____ command is used for sorting a file on specified fields.

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Q. The name of the input and output files cannot be same while using sort command.

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Q. Which command is used for locating repeated and non-repeated lines?

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Q. uniq command requires a sorted file as input.

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Q. Which option is used with uniq command for selecting non-repeated lines?

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Q. Which one of the following command is used for searching for a pattern in one or more file(s)?

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Q. Which one of the following is the correct syntax for grep command?

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Q. Which one of the following command will be used for searching “director” in emp.lst?

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Q. When the pattern is not found in a file, grep command silently returns the prompt.

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