Which two statements are true about the at and batch commands?
A.
batch schedules the execution of recurring tasks.
B.
at schedules the execution of recurring tasks.
C.
Both at and batch read from standard input, or you can specify a file and execute the commands with the -f option.
D.
batch executes a task when the system load average is greater than 0.8.
E.
at executes a one-time task to run at a specific time.
The Answer Is:
C, E
This question includes an explanation.
Explanation:
Explanation of Answer C:Bothatandbatchcan accept commands from standard input or from a file specified using the-foption. This allows scheduling of tasks by providing the commands directly or reading them from a file.
Explanation of Answer E:Theatcommand schedules a one-time task to run at a specified time. It is used to execute commands once at a particular time in the future.
[Reference:, Oracle Linux 8 Documentation:Oracle Linux Scheduling Tasks Guide, The usage ofatandbatchcommands for scheduling tasks is described in detail., Clarification on Incorrect Options:, Option A and B:are incorrect because neitheratnorbatchis used for scheduling recurring tasks; cron jobs are used for recurring tasks., Option D:is incorrect becausebatchexecutes tasks when the load average is less than 0.8, not greater., , , , , ]
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