Changes

<span style="font-family:courier;font-weight:bold;><Up> or <Down></span> - move to previous command or next command<br><span style="font-family:courier;font-weight:bold;>fc -l</span> - display last 16 commands<br><span style="font-family:courier;font-weight:bold;>history</span> - display all stored commands<br><span style="font-family:courier;font-weight:bold;>!num</span> - re-execute command number "num"<br><span style="font-family:courier;font-weight:bold;>!xxx</span> - re-execute last command beginning with string "xxx"<br>