copy and paste

:reg查看剪切版信息

"{a-zA-Z0-9.%#:-"}  Use register {a-zA-Z0-9.%#:-"} for next delete, yank or put
["x]yy  Yank [count] lines [into register x]
["x]p Put the text [from register x] after the cursor [count] times.
["x]P Put the text [from register x] before the cursor [count] times.