Vim shortcut key category

I. Mobile:
H, J, K, L: Left, bottom, top, right.
W: the beginning of the next word.
E: the end of the next word.
B: the first word of the previous word.
<>: Indent the selected V mode.
Ii. Redirect:
%: You can jump between {}, "", (), and.
H, M, and l: Jump directly to the top, center, and bottom of the current screen.
# H: Jump to line # Of the current screen.
# L: the last line to jump to the current screen.
ZT: The current editing row is set to the top of the screen.
ZZ: The current editing row is set to screen.
ZB: The current editing row is set to the screen bottom.
G: Jump directly to the bottom of the file.
GG: Jump to the beginning of the file.
(): Jump to the beginning and end of the current row.
{}: Jump up and down to the nearest empty row.
[{: Jump to the beginning of the current block.
]}: Jump to the end of the current block.
0: Jump to the beginning of the line.
$: Jump to the end of the line.
2 $: jump to the end of the next row.
#: Jump to the # position of the row.
# G: 15 GB, jump to 15 rows.
: #: Jump to # Line.
F'n': jump to the next "N" letter.
CTRL + B: Flip the page backward.
CTRL + F: Flip the page forward.
CTRL + u: half page backward.
CTRL + D: the first half of the page.
Ctry + E: roll down a row.

3. Select:
1. V: select a row.
2. ^ V: select the rectangle.
3. v3w: select three characters.
4. Edit:
1. added:
I: Insert before the cursor.
I: insert it at the beginning of the current row.
A: insert the cursor.
A: insert at the end of the current row.
O: Insert a new row before the current row.
O: Insert a new row after the current row.
2. Modify C (Change) as the primary node:
R: Replace the character at which the cursor is located.
R: Replace the character wherever the cursor goes.
CW: change the word at the cursor to the ending point.
C # W: c3w 3 characters.
C: change to the end of the row.
Ci': Modify the text content in the paired punctuation marks.
Di': delete text content from the paired punctuation marks.
Yi': copy the text content in the paired punctuation.
VI ': select the text content in the paired punctuation.
S: Replace the character of the current cursor.
# S: delete # The row and replace it with the new text.
3. delete D (delete) as the primary node:
D: delete it to the end of the row.
X: Delete the first character of the cursor position every time you press it.
X: Delete the next character at the cursor position every time you press it.
# X: delete 6 characters after the cursor position.
D ^: Delete to the beginning of the row.
D $: Delete to the end of the row.
DD: (CUT) Delete the row where the cursor is located.
DW: Delete the remaining part of a word after a word/cursor.
D4w: delete four words.
# DD: delete a row from the row where the cursor is located.
Dab: delete {} and its contents.
DiB: Delete content in.
N1, N2 D: Delete content between N1 and N2 rows.
4. Search:
/: Enter a keyword. If the keyword is not found, press N and search backward until it is found.
? : Enter a keyword. If the keyword is not found, press n to search forward until it is found.
*: Search for the same word on the current page.
#: Search for the same word on the current page.
5. Copy y (Yank) as the primary node:
YW: copy the character at the end of the cursor to the buffer zone.
# YW: Copy # words to the buffer zone.
Y: equivalent to YY. Copy the entire row.
# YY: Indicates copying the number of lines down from the row where the cursor is located # Line Text.
P: paste. All Y-related operations must be pasted with P.
N1, N2 Co N3: copy the content between line N1 and line N2 to the end of line N3.
6. case-insensitive conversion:
Guu: Change the letter of the current row to uppercase.
Guu: Change the letter of the current row to lowercase.
Guw: change the words under the current cursor to uppercase.
Guw: change the words under the current cursor to lowercase.
A. uppercase:
Gggug
GG: cursor to the first character of the file.
Gu: lowercase letters are all selected.
G: The end of the file.
B. Lower case: gggug
7. Others:
J: merge the current row and the next row into one row.
8. Mobile:
N1, N2 M N3: Move the content from line N1 to line N2 to line N3.

5. Exit:
1. W filename: Save the file filename being edited
2. WQ filename: Save and exit the file filename being edited.
3. Q: exit and do not save.

6. window operations:
1. CTRL + w p: switch back and forth between two split windows.
2. CTRL + w j: Jump to the split window below
3. CTRL + w h: Jump to the split window on the left.
4. CTRL + w k: Jump to the split window above.
5. CTRL + w l: Jump to the split window on the right.