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PLIMIT(1)							     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 identified by the process-ID list, pid.
       Otherwise plimit reports the resource limits of the  processes  identi‐
       fied 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 lim‐
       its. 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

       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	 kilo‐
		       bytes).

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

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

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).

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

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

				  Jun 8, 1998			     PLIMIT(1)

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