Blender starts
7 front3 side view
Ctrl+7 oposite
Ctrl+3
Num pad 5 - toggle perspective/ortographic mode
Num pad 0 - switch to camera view
Move screen - Shift + middle button
selection
selected object are orange
Objects
mesh
camera
Object mode
manipulators (looks like 3 axis at bottom panel) or hotkeys
manipulate the allong axis by draging the color arrows
manipulate the whole model by draging the white circle
hotkeys
s scale
r rotate
g grab
duplicate object
S-d
delete object
Object edit mode
to switch from Object mode to Object edit mode hit Tab
or select it from drop down menu in the left size on the bottom panel
Extrude tool
hit e
In edit mode
box selection by hitting b and selecting it in rectangle by left click and deselecting by middle click
To render or to see what camera see, select the camera and at the right panel hit image and escape