User Commands                                           plimit(1)



NAME
     plimit - get or set the resource limits of running processes

SYNOPSIS
     plimit [-km] pid...


     plimit {-cdfnstv} soft,hard... pid...


DESCRIPTION
     If one or more of the cdfnstv options is  specified,  plimit
     sets  the  soft  (current)  limit  and/or the hard (maximum)
     limit of the indicated resource(s) in the processes  identi-
     fied  by  the process-ID list, pid. Otherwise plimit reports
     the resource limits  of  the  processes  identified  by  the
     process-ID list, pid.


     Only the owner of a process or the super-user  is  permitted
     either  to  get  or to set the resource limits of a process.
     Only the super-user can increase the hard limit.

OPTIONS
     The following options are supported:

     -k    On output, show file sizes in kilobytes  (1024  bytes)
           rather than in 512-byte blocks.


     -m    On output, show file and  memory  sizes  in  megabytes
           (1024*1024 bytes).



     The remainder of the options are used  to  change  specified
     resource limits. They each accept an argument of the form:


     soft,hard


     where soft specifies  the  soft  (current)  limit  and  hard
     specifies the hard (maximum) limit. If the hard limit is not
     specified, the comma may be omitted. If the soft limit is an
     empty  string,  only  the  hard  limit is set. Each limit is
     either the literal string unlimited, or a  number,  with  an
     optional scaling factor, as follows:

     nk       n kilobytes





SunOS 5.11           Last change: 8 Jun 1998                    1






User Commands                                           plimit(1)



     nm       n megabytes (minutes for CPU time)


     nh       n hours (for CPU time only)


     mm:ss    minutes and seconds (for CPU time only)



     The soft limit cannot exceed the hard limit.

     -c soft,hard    Set core file size limits (default  unit  is
                     512-byte blocks).


     -d soft,hard    Set data segment (heap) size limits (default
                     unit is kilobytes).


     -f soft,hard    Set file size limits (default unit  is  512-
                     byte blocks).


     -n soft,hard    Set  file  descriptor  limits  (no   default
                     unit).


     -s soft,hard    Set stack segment size limits (default  unit
                     is kilobytes).


     -t soft,hard    Set  CPU  time  limits  (default   unit   is
                     seconds).


     -v soft,hard    Set virtual memory size limits (default unit
                     is kilobytes).


OPERANDS
     The following operands are supported.

     pid    Process ID list.


EXIT STATUS
     plimit returns the exit value zero on success,  non-zero  on
     failure  (such  as  no  such  process, permission denied, or
     invalid option).





SunOS 5.11           Last change: 8 Jun 1998                    2






User Commands                                           plimit(1)



FILES
     /proc/pid/*    process information and control files


ATRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:



     
           ATRIBUTE TYPE               ATRIBUTE VALUE       
    
     Availability                 SUNWesu                     
    


SEE ALSO
     ulimit(1),  proc(1),  getrlimit(2),  setrlimit(2),  proc(4),
     attributes(5),



































SunOS 5.11           Last change: 8 Jun 1998                    3