Q. For deleting the elements from the left of the array ___ function is used.

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Q. For deleting the elements from the right of the array ___ function is used.

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Q. To add elements to the left side of the array ____ function is used.

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Q. To add elements to the right side of the array ____ function is used.

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Q. Which function can combine the functionalities of push, pop, unshift and shift?

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Q. Perl also supports use of for loop in the following manner.

for($i=0;$i<3;$i++){ }

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Q. For splitting a line or expression into fields, __ is used.

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Q. ___ function is used for joining lists.

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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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