The concept of copy and paste in nvim are different to the normal editor like VS code . Nvim uses the register.

the contract of the center keywords

there we still use the -> instead of the sheet Yank = Copy Put = Paste Delete = Cut

the basic operation in normal mode

yank one line -- yy yank one word -- yiw put after the mouse -- P put forward the mouse -- p yank the chosen content -- y (press v to enter the visual mode)

concerning sync with the system clipboard

add the following code to the init.lua

vim.opt.clipboard = "unnamedplus"

add if use the LazyVim, this setting is opened by default.

deep in the Registers in nvim

Like the Nvim has many clipboard. You can use " to specific the register

• "ay put the chosen content to the register named a
• "ap paste from the register named a
• and insert "reg to watch what content has been stored in the regsiters