Q. Which one of the following option is used for AND operation?

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Q. Which one of the following option is used for checking that the string is NULL string?

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Q. ____ statement matches an expression for more than one alternative.

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Q. Every pattern in case statement in terminated with a _____

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Q. For locating the first position of a character in a string we can use expr command.

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Q. Which of the following commands let us perform a set of instructions repeatedly?

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Q. Which of the following keywords are used in while loop?

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Q. until loop operates with a reverse logic as used in while loop.

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Q. Which one of the following is used for looping with a list?

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Q. Which of the following loop statements uses do and done keyword?

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Q. Which command is used for changing filename extensions?

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Q. Which command is used by the shell for manipulating positional parameters?

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Q. Which of the following option is used with set for debugging shell scripts?

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Q. The system administrator is also known as _____

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Q. Which of the following functionalities is carried by the root user?

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Q. What is the login name of system administrator?

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Q. What is the prompt for system administrator?

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Q. When we log in as root user we are placed in ____

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Q. The PATH for superuser doesn’t include current directory.

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Q. Which command is used for acquiring superuser status?

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