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<Chapter Id="runtime">

<varlistentry>

<term><systemitem class="osname">OS/X</></term>

<indexterm><primary>OS/X</></>

<term><systemitem class="osname">MacOSX</></term>

<indexterm><primary>MacOSX</></>

<listitem>

<para>

Edit the file

<filename>/System/Library/StartupItems/SystemTuning/SystemTuning

</> andedit the following values:

</> andchange the following values:

<programlisting>

sysctl -w kern.sysv.shmmax

sysctl -w kern.sysv.shmmin

sysctl -w kern.sysv.shmmni

sysctl -w kern.sysv.shmseg

sysctl -w kern.sysv.shmall

</programlisting>

These values have the same meanings onOS/X as those listed for

previous operating systems.

These values have the same meanings on<productname>MacOS</> X

as those listed forprevious operating systems.

</para>

</listitem>

</varlistentry>