ontext switches */
    int  ru_nivcsw;       /* involuntary context switches */
</PRE>

<P>

<A NAME="22327"></A>
<B>unix:system</B> <EM>[command] </EM>[function]

<DL COMPACT>
<DT> 
<DD> 
executes <EM>command</EM> in a sub shell.
<EM>command</EM> must be recognizable by Bourn-shell.
</DD>
</DL>
<BR>
<BR>

<P>

<A NAME="22339"></A>
<B>unix:getenv</B> <EM>env-var </EM>[function]

<DL COMPACT>
<DT> 
<DD> 
gets the value for the environment variable <EM>env-var</EM>.
</DD>
</DL>
<BR>
<BR>

<P>

<A NAME="22350"