Q. Which option is used for checking if the file exists or not?

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Q. Which of the following option is used for checking if the file is readable or not?

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Q. Which of the following option is used for checking if the file is writable or not?

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Q. To check if the file exists and is executable we have to use ___ option with test.

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Q. -d option is used for checking if the file exists and is a directory.

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Q. ____ option is used for checking whether a particular file is older than a specified file.

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Q. To check if two files are linked to each other, we can use -ef option.

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Q. case statement should have a corresponding closing esac.

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Q. The ___ option in case statement matches any option not matched by the previous options.

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Q. case can also be used for matching multiple patterns.

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Q. case can also use wildcards to pattern matching.

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Q. Which command is used for computation and string handling?

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Q. expr can perform ____ arithmetic operations.

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Q. Which of the following is performed by expr string handling’s function?

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Q. The string to be worked upon is placed on the left of the colon when using expr string handling function.

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Q. Which symbol is used for finding the length of the string?

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Q. Which of the following pattern is used for extracting a substring using expr?

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Q. expr is an _____ command.

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Q. ____ statement is used for shifting arguments left.

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Q. Which one of the following is an internal command?

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