Discussion
In UNIX, which of the following command is used to set the task priority ?
Answer: B
The nice command is used in UNIX to set the priority of a task (process): it starts a command with a changed 'niceness' value, which affects how much CPU time the scheduler gives it, and renice changes the value of a running process.
init is the first process that starts the system, kill sends a signal to a process, usually to end it, and PS lists the processes with their status. None of these three sets the priority of a task.
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