Linux Standard Base Core Specification 4.1 | ||
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ipcs provides information on the ipc facilities for which the calling process has read access.
Note: Although this command has many similarities with the optional ipcs utility described in POSIX 1003.1-2001 (ISO/IEC 9945-2003), it has substantial differences and is therefore described separately. The options specified here have similar meaning to those in POSIX 1003.1-2001 (ISO/IEC 9945-2003); other options specified there have unspecified behavior on an LSB conforming implementation. See Application Usage below. The output format is not specified.
In some implementations of ipcs the -a option will print all information available. In other implementations the -a option will print all resource types. Therefore, applications shall not use the -a option.
Some implementations of ipcs provide more output formats than are specified here. These options are not consistent between differing implementations of ipcs. Therefore, only the -t, -c and -p option formatting flags may be used. At least one of the -t, -c and -p options and at least one of -m, -q and -s options shall be specified. If no options are specified, the output is unspecified.
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