vim 命令

:%s/src/dest/gc  subsititute 

:1, $ d               delete

:/name ?name  　up->down down->up find

:wq!   　　　　   save &quit

 

dd | 3dd　　delete a or many line

yy | 3yy copy many line

y | yw   copy one charater or one word

xx          delete charater 

dw　　　delete word

db 　　  delete backword

d$         delete cursor to line end

p can paste the content just use d (dd, 3dd, dw, db...) to delete

u    　　 undo