LSIPC(1)                         User Commands                        LSIPC(1)

       lsipc  -  show  information on IPC facilities currently employed in the

       lsipc [options]

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

       -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.  The default --id output format
              is possible to override by the --list --raw --json  or  --export

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

       -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 formats
       -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 for --id.

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

              Do not print a header line.

              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 sema-

       --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.

       0      if OK,

       1      if incorrect arguments specified,

       2      if a serious error occurs.

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

       The lsipc utility is inspired by the ipcs utility.

       Ondrej Oprala <>
       Karel Zak <>

       The  lsipc  command  is part of the util-linux package and is available
       from Linux Kernel  Archive  <

util-linux                         June 2015                          LSIPC(1)
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