
In myscript, the interpreter is specified to be /bin/sh.  The pathname specified is
/bin/sh.  So, when the interpreter /bin/sh is run, the string "/bin/sh" will 
be passed to it as arg0.  The -v is called arg in the above paragraph.  It
is optional, but it is specified in this example, so it will be passed to
/bin/sh as arg1.  The remaining arguments ARE NOT apple and banana.  They
are extraneous and will never be used.  The remaining arguments passed to
/bin/sh as arg0 through argn (in a shell script the will be called $1 - $n)
are: arg0=myscript, arg1=peaches, arg2=pears.  So when the interactive
shell runs your command, execlp really does this:
