H (<-) j (^) K (! j) l (->): It is equivalent to the upper and lower keys.
CC: Delete the content of a line, but this is still
DD: Delete one line
Shift g: Jump to the end of the file
? Char: Search from the back?
/ char: Search from before?
N: Continue in the current search order.
N: Search in the reverse order of current search
Ctrl B: = Pageup
CTRL F ?: = PageDown
o: (insert a line) jump to the new line
$:
%: Parentheses match
: set nu: display line number
: SET NONU: Shut down line number
: SET NOWRAP,: SET WRAP: Set whether the text column is folded
Ng: n is the number of rows, which immediately jumps to the specified line.
W, b - make the cursor forward or back a word
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(2) Preview: How to implement the Copy and Paste of VI. How to implement UNDO / Redo.
