Q. To check whether the file has actually been stored in the default order, we can use ____ option.

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Q. Which option is used with sort command to sort multiple files collectively?

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Q. Which option is used for selecting repeated entries?

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Q. ______ option is used for counting frequency of occurrence.

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Q. The output of the following command will be:

$ uniq foo1 foo2

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Q. Which command is used for translating characters?

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Q. To replace | with ~, which one of the following commands will be used?

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Q. head -n 3 emp.lst | tr ‘[a-z]’ ‘[A-Z]’

Above command will change the case of text from lower to upper.

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Q. Which option is used with tr command for deleting characters?

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Q. ______ option is used for compressing multiple consecutive characters.

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Q. If there are special characters in a pattern, then we’ve to enclose them in ______

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Q. Which option is used with grep command for ignoring the case in pattern searching?

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Q. Which option is used with grep command for deleting lines?

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Q. Which option is used for displaying the line numbers containing the pattern along with lines?

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Q. ______ option counts the number of lines containing the pattern?

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Q. Which option displays only the filename containing the pattern?

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Q. _____ option is used when we need to match multiple patterns in a single invocation of grep command?

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Q. For taking patterns from a file, -f option is specified with grep command.

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Q. POSIX identifies regular expressions as belonging to ____ categories.

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Q. grep command supports both extended and regular expressions.

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