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The section contains multiple choice questions and answers on simple filters which are are programs that take plain text(either stored in a file or produced by another program) as standard input, transforms it into a meaningful format, and then returns it as standard output.
Filter’s are a category of commands that take the advantage of shell redirection feature.
Which command is used for preparing a file for printing?
pr command adds ____ lines of margin at the top and bottom.
5
4
2
1
Which option is used with pr command to suppress the header and footers?
___ operator is used with pr command to start printing from a specific page.
By default, how many lines are displayed using the head command?
Which option is used with the head command to specify line count to display?
Which option is used with pr command for printing multi-columnar output?
-P
-K
-D
-Pr
Which command is used for displaying the beginning of a file?
Pr
Head
Begin
lp
___ command is used for displaying the end of the file.
Head
Tail
lp
Pr
