lsipc - show information on IPC facilities currently employed in
the system
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. 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.
- -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.
- 0
- if OK,
- 1
- if incorrect arguments specified,
- 2
- if a serious error occurs.
The lsipc utility is inspired by the ipcs
utility.