|1.||How can you cause vim to enter Input mode? How can you make vim revert to Command mode?|
|2.||What is the Work buffer? Name two ways of writing the contents of the Work buffer to the disk.|
|3.||Suppose that you are editing a file that contains the following paragraph and the cursor is on the second tilde (~):
The vim editor has a command, tilde (~), that changes lowercase letters to uppercase and vice versa. The ~ command works with a Unit of Measure or a Repeat Factor, so you can change the case of more one character at a time.
How can you
|4.||In vim, with the cursor positioned on the first letter of a word, give ...|