"Hello!"
To get out of command mode in Vim, hit I.
Hit esc to get to command mode
Command mode controls:
Press h to go left, l to go right, k for up, j for down
e = end of word
b = beginning of word
x = delete text
undo is u
redo is ctrl + r
In command mode, write :wq to "write"/save and quit
:q! is to quit without changes.
:q is to quit when you didn't make changes