Let's say I'm running a multicore process. How do I "nice" this via htop after submission?

1 Answer 1


My version of htop displays this as the help line:

F1Help F2Setup F3Search F4Invert F5Tree F6SortBy F7Nice - F8Nice + F9Kill F10Quit

So you would hit F7 to decrease the "nice value", and F8 to increase it (the former may require special privileges).

  • It looks like this is correct. What determines the "level" of niceness? Jun 9, 2017 at 23:31
  • On my system, NI goes from 0 to 19. Jun 10, 2017 at 18:05
  • 2
    Hi! At least on Linux, nice values go from -20 (highest priority) to 19 (lowest); but one has to be root or otherwise have adequate powers to lower a process' nice value. I don't know if this is standard: see your system's man pages for commands nice and renice to know more.
    – dhag
    Jun 11, 2017 at 0:53

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