Vim Common shortcut keys

Basis:
: W Save: q! forced exit not saved: wq! save exit
X Delete the following character x delete the previous character
DD: Delete Row 5DD: Delete 5 rows
J: Remove line breaks to make the next line come up
U: Undo Last Action
I insert before the cursor I insert a at the beginning of the cursor insert a at the end of the line insert
O: Another line below the current line and becomes insert mode
O: Another row above the current line, into insert mode

Move:
$: Move to end of line
^: Move to the beginning of the line, 0 is also
+: Move to the beginning of the next line
-: Move to the beginning of the previous line
33G: Jump To line 33 and press ' ' to return to the original line
GG: File header G: End of File
30%: Jump to 30% of files
H m L "h" means home, "M" is Middle, "L" is last. The upper and lower position of the current screen, and the case can be
Set Number: Sets display line numbers, set Nonumber: Turn off display
: Set ruler to display line numbers in the lower right corner of the window, with the benefit of the above, space saving
ctrl+u\d scroll up \ Down half screen
Ctrl+e\y scroll up \ down one line
ctrl+b\f scroll up \ down one screen (super practical)
/string find String, enter, press N to jump to the next, N, and press the UP/down key to find the previously found record

Changes:
:%s/str1/str2/g replaces str1 for each row as str2
: 10,20s/str1/str2/g replaces str1 from line 10 to line 20 as str2
: Ten, $s/str1/str2/g replace the str1 from line 10 to the last row is str2
: S/str1/str2/g replaces the current line str1 to str2
: 10,$ w test2.cpp Row 10 to the last row, save to Test2.cpp
: R CLASS/USER.HPP reads the contents of the file and inserts it after the current line
R: Replace the current character
YY: Copy one line 5yy: Copy the five elements p paste
d$: Delete the current cursor to the end of the line d^: Delete the current cursor to the beginning

Little Tricks
Bulk Comment:
CTRL + V: Visual block Mode (select the row to comment) Shift+i Enter input mode Enter # ESC to exit
To dismiss a comment:
CTRL + V: Visual block Mode (select the line to be commented) D-Health Delete

When editing text, if you want to temporarily exit text mode, you only need to enter: SH can temporarily exit text mode input exit to return to the current text operation.

Split-screen display editing
: New, newly created file and split screen, toggle shortcut key, ctrl+w
: Spilt horizontal split screen, the current screen is divided into two, horizontal.
: Vsplit Vertical split screen, the current screen is divided into two, vertical.

Vim Common shortcut keys