ven, pressing Return has the same effect as pressing <CODE>
s</CODE>
.</P>
<P>
The subcommands to the <CODE>
istep</CODE>
 and <CODE>
sstep</CODE>
 commands are</P>
<DL>
<DT>
<STRONG>
s </STRONG>
(single step)</DT><DD>
Step one instruction. This is the most frequently used subcommand.</DD>
<DT>
<STRONG>
n, o</STRONG>
 (next, over)</DT><DD>
Continue to the next instruction but do not display any procedure calls, repeated string instructions, or software interrupts. They will stop when GEOS returns to the sam