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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Q. Every process running on the system has a

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Q. Which of the following is not a job status?

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Q. Which of the following commands are useful to job and process management?

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Q. The "nice" command is used to

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Q. Processes with a nice level of -20

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Q. The "renice" command needs these arguments.

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Q. The method used by Unix to do multitasking is called

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