SS="USERINPUT"
>sysctl -w kernel.shmall=4194304</KBD
></PRE
><P>
        In addition these settings can be preserved between reboots in
        the file <TT
CLASS="FILENAME"
>/etc/sysctl.conf</TT
>.  Doing that is
        highly recommended.
       </P
><P
>        Ancient distributions might not have the <TT
CLASS="COMMAND"
>sysctl</TT
> program,
        but equivalent changes can be made by manipulating the
        <TT
CLASS="FILENAME"
>/proc</TT
> file system:
</P><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT