Q. history command display the log of recently used commands.

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Q. echo command is used for _________

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Q. Which command is used for displaying date in the format dd/mm/yyyy ?

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Q. What are meta-characters?

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Q. What is the output of who command?

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Q. Which command is used for displaying date and calendar in UNIX?

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Q. Which command is used to display the documentation of commands in UNIX?

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Q. How can we specify more than one command in the command line at the same time?

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Q. Which of the following is not a valid option of uname?

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Q. Options are also arguments but begin with a – .

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Q. The sequences of directories that a shell searches while looking for a command is specified in the PATH variable.

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Q. Which command is used for extracting the details of the operating system?

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Q. In how many categories, commands of UNIX operating system classified?

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Q. What are Commands?

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Q. What is the windowing system of UNIX known as?

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Q. What is a superuser?

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Q. Two UNIX systems may or may not use the same set of system calls.

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Q. Which part of the UNIX operating system interacts with the hardware?

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Q. Shell is a command interpreter used for interacting with a UNIX system.

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Q. POSIX is a set of standards specified for establishing compatibility between operating systems.

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