Chapter 2

Question 1

How many basic modes does vim have

Answer 1

Normal, 
Visual,
Select,
Insert,
Command-Line, 
Ex-mode,

Question 2

How many additional modes does vim have

Answer 2

Operating-pending, 
Replace, 
Virtual replace, 
Insert Normal, 
Insert Visual, 
Insert Select

Question 3

How to enter into ex mode

Answer 3

Q - like ed(:vi[sual] for exit )

gQ - like Q, but with autocompletion

Question 4

How to enter into Virtual replace mode

Answer 4

gR

Question 5

How to enter into Insert Normal mode

Answer 5

In insert mode press

Question 6

How to enter into Insert Visual mode

Answer 6

From Insert Normal press any visual keys v, V etc

Question 7

How to enter into Select mode

Answer 7

In any visual mode press g

Question 8

What {number}/ commands do

Answer 8

Find a number on a line and add/substract {number} or 1

Question 9

What g/g commands do in visual block

Answer 9

Increase number on each line incrementally