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

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

(a) now

(b) noon

(c) tomorrow

(d) evening

This question was addressed to me in an online quiz.

The question is from Process Management in portion The Process of Unix

1 Answer

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Best answer
Correct answer is (d) evening

The explanation is: at command offer keywords like now, noon, midnight, today, tomorrow to schedule jobs according to our convenience. We can also use the + operator with at command.  The words that can be used with + operator include hours, days, month, years, weeks.

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