Q. ____ command displays the list of all open files and processes.

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Q. Which command is used to display all the running and active real-time processes?

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Q. System time comprises ____ components.

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Q. Which of the following resources are required to be managed and monitored?

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Q. What is the default disposition of most signals?

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Q. Which of the following action can be taken by a process upon receiving a signal?

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Q. Which of the following functions are used for obtaining and setting the value of environment variables?

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Q. The environment variables are available in _____

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Q. Which of the following system calls returns one or more file descriptors?

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Q. Address space of a process is virtual.

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Q. If two users execute the same program, the memory requirements are doubled.

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Q. Which system call is used to set a timer that generates the SIGALARM signal?

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Q. Which library function uses kill to send any signal to the current process?

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Q. ___ system call behaves in an identical manner to the kill command.

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Q. Which of the following signals are generated from the hardware?

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Q. There are _____ signals that are generated from the keyboard.

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Q. The sources from where the signals can be generated are:

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Q. The action that a signal takes on receipt of a signal is called ____

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Q. We can use pipe with fork system call.

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Q. Which of the following system call is used for inter-process communication?

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