Q. The command bg %2 is valid.

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Q. What does the following command do?

$ kill %2

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Q. Which of the following is not a part of job control facilities?

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Q. POSIX shell provides job control facilities like bg or fg.

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Q. Which command is used to list the status of jobs?

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Q. We can schedule a job to run at a specified time of day using _______ command.

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Q. We can use the _____ symbol with at command to redirect our output to a specified file.

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Q. Which of the following keyword is not supported by at command?

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Q. Which one of the following forms used with at command is invalid?

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Q. To remove a job from the queue, which option is used with at command?

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Q. We cannot find out the name of the program scheduled using at command.

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Q. Which command permits to schedule jobs for later execution, as soon as the system load permits?

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Q. Jobs scheduled using batch command goes to a special at queue.

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Q. Jobs scheduled using batch command can be removed using ___ option.

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Q. What is a daemon?

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Q. What is cron?

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Q. The cron tab is a table having a list of commands that are scheduled to be run at regular intervals.

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Q. Which of the following command will remove the current crontab?

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Q. To find out how efficiently a program a used the system resources, which command is used?

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Q. To start a process in the background, enter the command with this character at the end.

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