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Full Discussion: Question on output of ipcs command
Top Forums UNIX for Advanced & Expert Users Question on output of ipcs command Post 302444154 by newbie_01 on Wednesday 11th of August 2010 04:41:29 AM
Old 08-11-2010
Question on output of ipcs command
Hi,

I read the ipcs man page and am still very confused.

Basically, I just want to know whether the output from the ipcs command below means these are the current "TOTAL" memory usage in bytes on the server? Is this correct?

Thanks in advance.

ipcs command output below:

Code:
# ipcs
IPC status from <running system> as of Wed Aug 11 18:37:40 EST 2010
T         ID      KEY        MODE        OWNER    GROUP
Message Queues:
Shared Memory:
m 1090519155   0x455cd2dc --rw-r-----   oracle oinstall
m   67108928   0x7a00a10c --rw-rw-rw-    sybase    other
Semaphores:
s  335544444   0x38597ec2 --ra-r--r--     root     root
s  671088731   0x27af6c54 --ra-r-----   oracle oinstall
s  218103855   0x7a00a10c --ra-ra-ra-    sybase    other
#

 

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LEARN ABOUT SUSE

ipcs

IPCS(1) 						     Linux Programmer's Manual							   IPCS(1)

NAME

       ipcs - provide information on ipc facilities

SYNOPSIS

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

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

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.

AUTHOR

       krishna balasubramanian (balasub@cis.ohio-state.edu)

AVAILABILITY

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

Linux 0.99							  9 October 1993							   IPCS(1)
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