Unix operating system questions

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Which of the following type of software should be used if you need to create,edit and print document ?
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Daisy chain is a device for ?
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Choose the correct statement
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Which of the following characteristics of the original process are preserved when, the exec system call is executed
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Which of the following comments about the signals system call are true?
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Which of the following signals can neither be ignored nor catch?
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Which of the following functions can be performed using signal system call?
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To override the default action and catch the signal ____ system call is used
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sar is a command line tool for collecting, viewing and recording performance data
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____ is a simple tool that will collect and show system input and output storage device statistics
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____ command displays the list of all open files and processes
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Which command is used to display all the running and active real-time processes?
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System time comprises ____ components
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