esc and - not working in ksh

From: yls177 (yls177_at_hotmail.com)
Date: 05/31/04 

Date: 30 May 2004 22:12:25 -0700

i am in shell ksh, as identifed by echo $SHELL, however, i couldnt a
esc and - to get the list of summary of commands. any comments?

thanks