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Q #7) Describe the usage and functionality of the command “rm –r *” in UNIX?Īnswer: The command “rm –r *” is a single line command to erase all files in a directory with its subdirectories. Q #6) What is the general format of UNIX command syntax?Īnswer: In general consideration, UNIX shell commands follow the below pattern:Ĭommand (-argument) (-argument) (-argument) (filename) Q #5) What are the responsibilities of a shell?Īnswer: Responsibilities of a shell can be enlisted as: Shell accepts commands and set them to execute for user operations. Q #3) What are the main features of UNIX?Īnswer: Main features of UNIX are as follows:Īnswer: The interface between the user and the system is called the shell.
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These systems become more popular since low-cost hardware and availability of a wide range of software to perform different tasks. The kernel does not communicate directly with the user and instead, it starts separate interactive program call shell to each user when logged in to the system.Īnswer: A single-user system is a personal computer with an operating system, designed to operate by a single user at a given time.
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The resource allocation to different users and tasks is handled by this section. Best UNIX Interview Questions And AnswersĪnswer: Kernel is the master program that controls the resources of the computer.