Question: You have entered the cat / sys / block / sdb / queue / scheduler command to find out which I / O scheduler is

You have entered the cat /sys/block/sdb/queue/scheduler command to find out which I/O scheduler is currently being used by your Linux system. The following is displayed:
noop [cfq] deadline
Which I/O scheduler is currently being used by your Linux system?
What I/O schedulers are available on your Linux system?

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