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
SEE ALSO
ipcrm(1), ipcmk(1)
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.