Linux
Priority
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Linux -20 +19. FreeBSD +20. , . .. - 20, -19 . -20 +19 . Linux nice renice.
, ps aux
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ps alx
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ps -eo user,pid,pcpu,nice,comm
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- -o - output . , ()

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sleep 10000 &
ps -eo user,pid,pcpu,nice,comm | grep sleep
, pipline sleep. , .

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nice sleep 60000
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. killall sleep
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nice -n 19 sleep 6000

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nice -n -20 sleep 6000

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killall sleep
, . . nice -n 19 sleep 60000
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renice 5 -p 416802 - . 5 - , 416802 - id .

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renice -u
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