Open Source Software

lsipc(1)



NAME

   lsipc  -  show  information on IPC facilities currently employed in the
   system

SYNOPSIS

   lsipc [options]

DESCRIPTION

   lsipc shows information on the inter-process  communication  facilities
   for which the calling process has read access.

OPTIONS

   -i, --id id
          Show full details on just the one resource element identified by
          id.  This option needs to be combined  with  one  of  the  three
          resource  options: -m, -q or -s.  It is possible to override the
          default output format for this option with  the  --list,  --raw,
          --json or --export option.

   -g, --global
          Show system-wide usage and limits of IPC resources.  This option
          may be combined with one of the three resource options:  -m,  -q
          or -s.  The default is to show information about all resources.

   -h, --help
          Display help text and exit.

   -V, --version
          Display version information and exit.

   Resource options
   -m, --shmems
          Write information about active shared memory segments.

   -q, --queues
          Write information about active message queues.

   -s, --semaphores
          Write information about active semaphore sets.

   Output formatting
   -c, --creator
          Show creator and owner.

   -e, --export
          Output data in the format of NAME=VALUE.

   -J, --json
          Use the JSON output format.

   -l, --list
          Use  the  list  output format.  This is the default, except when
          --id is used.

   -n, --newline
          Display each piece of information on a separate line.

   --noheadings
          Do not print a header line.

   --notruncate
          Don't truncate output.

   -o, --output list
          Specify which output columns to print.  Use --help to get a list
          of all supported columns.

   -p, --pid
          Show PIDs of creator and last operator.

   -r, --raw
          Raw output (no columnation).

   -t, --time
          Write  time information.  The time of the last control operation
          that changed the access permissions for all facilities, the time
          of  the last msgsnd() and msgrcv() operations on message queues,
          the time of the last shmat() and shmdt()  operations  on  shared
          memory,   and   the  time  of  the  last  semop()  operation  on
          semaphores.

   --time-format type
          Display dates in short, full or  iso  format.   The  default  is
          short,  this  time  format is designed to be space efficient and
          human readable.

EXIT STATUS

   0      if OK,

   1      if incorrect arguments specified,

   2      if a serious error occurs.

SEE ALSO

   ipcrm(1),  ipcmk(1),   msgrcv(2),   msgsnd(2),   semget(2),   semop(2),
   shmat(2), shmdt(2), shmget(2)

HISTORY

   The lsipc utility is inspired by the ipcs utility.

AUTHORS

   Ondrej Oprala ooprala@redhat.com
   Karel Zak kzak@redhat.com

AVAILABILITY

   The  lsipc  command  is part of the util-linux package and is available
   from Linux Kernel  Archive  ftp://ftp.kernel.org/pub/linux/utils/util-
   linux/.



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