Vim basic commands

CTRL + F	The screen moves one page down, which is equivalent to the page down button.
CTRL + B	The screen moves one page up, which is equivalent to the page up button.
0 or function key home	Number "0", move to the top character of this line
$ Or function key end	Move to the end of the line
G	Move to the last row of the file
Gg	Move to the first line of this file
N <enter>	N is a number, and the cursor moves down n rows
/Word	Search for a string named word under the cursor
? Word	Search for a word string above the cursor
: N1, N2s/word1/word2/g	N1 and N2 are numbers. In line N1 and N2, find the word1 string and replace it with word2.
: 1, $ S/word1/word2/g	Search for the word1 string between 1st and the last line and replace it with word2.
P	Paste copied content
X, X	In a line of text, X is to delete a character "Del" from the back, and X is to delete a character from the forward
NDD	N is a number, and the cursor deletes n rows down
Nyy	N is a number, and the cursor copies n rows down
U	Restore the previous action
CTRL + R	Redo the previous action
: Set nu	Show row number
: Set Nonu	Opposite to set Nu, the row number is canceled.