"
>$</SAMP
> <KBD
CLASS="USERINPUT"
>echo 17179869184 &gt;/proc/sys/kernel/shmmax</KBD
>
<SAMP
CLASS="PROMPT"
>$</SAMP
> <KBD
CLASS="USERINPUT"
>echo 4194304 &gt;/proc/sys/kernel/shmall</KBD
></PRE
><P>
       </P
><P
>        The remaining defaults are quite generously sized, and usually
        do not require changes.
       </P
></DD
><DT
><SPAN
CLASS="SYSTEMITEM"
>Mac OS X</SPAN
></DT
><DD
><P
>        The recommended method for configuring shared memory in OS X
        is to create a file named <TT
CLA