here are some VI commands, just as remember block

VI Commands:

i insert mode, (ESC to exit insert mode) allows text to be entered on the screen
a Append to right mode
/word Move to the occurrence of “word”
n Locate the next occurance
w Advance to the next word
e Advance to the next end of a word
b Move to the previous word
3b Move backward 3 words
dd delete line
3dd delete 3 lines
D Delete remainder of a line
dw Delete word
x Delete character
o Open space for new line below the cursor line
O Open a line above the cursor
CTRL-w Move back a word in append mode
u Undo last
U Undo all changes to current line
. In command mode, repeat the last text changing the command on the current line
:w newfilename save the file to newfilename from the command mode
:wq save and quit
:q! quit without saving
r replace then typa a character ot be replaced with r then return to break up a line
J join 2 lines
s substitute (sentence) typed text over a character, ESC when done
cw change word
c change part of a line from the cursor to the end of the line
cc substitute new text for aline, ESC when done
h move the cursor back one space
H move the cursor to the highest line on the screen
L move the cursor to the lowest line on the screen
M position the cursor at the midpoint on the screen
G last line in the file
0 (zero) Move the cursor to the beginning of the line it is on
view filename Open a file for viewing only
set number Turn on line numbers
set nonumber Turn off line numbers
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