Ortho
F8
Snap
F9
Grid
F7
Polar tracking
F10
Object snap tracking
F11
Object snap
F3
Object snap and object snap tracking ka use
To show midpoint endpoint
Control bar short key
Ctrl 9
Ctrl 0
To hide menu bar tool bar
Line
L enter
Poly line
Pl enter
Construction line
Xl enter (projection line )
Spline
SPL enter (to draw free hand sketches)
Multiline
Ml enter
Ray
Ray enter (polar tracking on )
Unit shortkey
Un enter
Modify
D enter (dimension style )
Meter
Decimal
Feet inches
Architectural, engineering
Half width
To make arrow
Dimension in linear
DLI enter
Dimension in alined
DAL Enter
Dimension in angular
DAN enter
Negative to positive
Z Enter A Enter (zoom in zoom out )
RE double enter (Regenerate)
Mouse Scroll Double click