ipcs

provide information on ipc facilities

Synopsis

ipcs [-asmq] [-tclup]
ipcs [-smq] -i id
ipcs -h

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examples

source

            
  ipcs -m

description

ipcs provides information on the ipc facilities for which the calling process has read access.

The -i option allows a specific resource id to be specified. Only information on this id will be printed.

Resources may be specified as follows:

-m

shared memory segments

-q

message queues

-s

semaphore arrays

-a

all (this is the default)

The output format may be specified as follows:

-t

time

-p

pid

-c

creator

-l

limits

-u

summary

availability

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

conforming to

The Linux ipcs utility is not fully compatible to the POSIX ipcs utility. The Linux version does not support the -b and -o options, but does support the -l and -u options not defined by POSIX. The portable application shall not use the -a, -b, -o, -l, and -u options.

see also

ipcrm , ipcmk

author

krishna balasubramanian (balasub[:at:]cis[:dot:]ohio-state.edu)