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renice (8)
  • renice (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • renice (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • renice (1) ( POSIX man: Команды и прикладные программы пользовательского уровня )
  • >> renice (8) ( FreeBSD man: Команды системного администрирования )
  • renice (8) ( Linux man: Команды системного администрирования )

  • BSD mandoc
     

    NAME

    
    
    renice
    
     - alter priority of running processes
    
     
    

    SYNOPSIS

    priority [[-p pid ... ] ] [[-g pgrp ... ] ] [[-u user ... ] ]
    -n increment [[-p pid ... ] ] [[-g pgrp ... ] ] [[-u user ... ] ]  

    DESCRIPTION

    The utility alters the scheduling priority of one or more running processes. The following who parameters are interpreted as process ID's, process group ID's, user ID's or user names. The 'ing of a process group causes all processes in the process group to have their scheduling priority altered. The 'ing of a user causes all processes owned by the user to have their scheduling priority altered. By default, the processes to be affected are specified by their process ID's.

    The following options are available:

    -g
    Force who parameters to be interpreted as process group ID's.
    -n
    Instead of changing the specified processes to the given priority, interpret the following argument as an increment to be applied to the current priority of each process.
    -u
    Force the who parameters to be interpreted as user names or user ID's.
    -p
    Reset the who interpretation to be (the default) process ID's.

    For example,

    "renice +1 987 -u daemon root -p 32"

    would change the priority of process ID's 987 and 32, and all processes owned by users daemon and root.

    Users other than the super-user may only alter the priority of processes they own, and can only monotonically increase their ``nice value'' within the range 0 to PRIO_MAX (20). (This prevents overriding administrative fiats.) The super-user may alter the priority of any process and set the priority to any value in the range PRIO_MIN (-20) to PRIO_MAX Useful priorities are: 20 (the affected processes will run only when nothing else in the system wants to), 0 (the ``base'' scheduling priority), anything negative (to make things go very fast).  

    FILES

    /etc/passwd
    to map user names to user ID's

     

    SEE ALSO

    nice(1), rtprio(1), getpriority(2), setpriority(2)  

    STANDARDS

    The utility conforms to St -p1003.1-2001 .  

    HISTORY

    The utility appeared in BSD 4.0  

    BUGS

    Non super-users cannot increase scheduling priorities of their own processes, even if they were the ones that decreased the priorities in the first place.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    FILES
    SEE ALSO
    STANDARDS
    HISTORY
    BUGS


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