there we mainly introduce the commands of the internal command

there three modes for use:

• normal mode: press esc to enter. Just for move , delete , paste , and copy.
• insert mode: press i or a to enter. Used for code like normal IDE.
• command mode: press : to enter
• visual mode: press v to enter

the cheat sheet

the fast move in normal mode

• basic: h(left) j(down) k(up) l(right)
• the skip for word: w for skipping to the begin of next word, bfor skipping to the begin of last word
• 0 begin of line , $ end of line
• the skip for search: /keyword and press enter to skip and press n for the next one

the trick of normal mode

• u: undo
• ctrl+r: redo
• dd: delete the current line
• yy: yank the current line
• p: paste to the word after mouse
• x: delete the string in the mouse

the split

• :sv split in horizontal and vs split in vertical
• ctrl+w switch between two windows
• :term open a terminal in nvim

create the file and folder

because i install the plugin called nvim-tree, the way create a file is hon over the folder and press a the create a file, a folder, then with a / in the end