Good ont, DemarEngr. To go a little further:
I use the following:
Z to start Zoom,
ZE to zoom extents then .95x,
ZP for zoom previous,
PZE to change to Paper Space, zoom extents, change back to Model Space and zoom window,
ZW for zoom window,
Z9 for zoom .9x,
Z7 for zoom .7x,
Z5 for zoom .5x,
ZD for zoom dybamic,
ZN for zoom using no snaps,
EZ for zoom using endpoint snaps and
W for zoom window
All in the Acad.lsp file.