te that the current directory follows the usual scoping
rules. For example, the following program lists the
files in the <CODE>foo</CODE> directory, but the current
directory is not changed.</P><PRE CLASS="verbatim">   section
      echo Listing files in the foo directory...
      cd foo
      ls

   echo Listing files in the current directory...
   ls
</PRE></LI><LI CLASS="li-itemize"><CODE>bg</CODE><A NAME="@default393"></A><P>The <CODE>bg</CODE> method places a job in the background.
The job is resumed i