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.

       -b, --bytes
              Print size in bytes rather than in human readable format.

       -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(2) and msgrcv(2)
              operations on message queues, the time of the last shmat(2) and shmdt(2) operations
              on shared memory, and the time of the last semop(2) 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.

       -P, --numeric-perms
              Print numeric permissions in PERMS column.

EXIT STATUS

       0      if OK,

       1      if incorrect arguments specified,

       2      if a serious error occurs.

SEE ALSO

       ipcmk(1),  ipcrm(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 ⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩.