i searched in reference, but couldn't find the correct method. thanks,
w*n
2 楼
y command to yank(copy), as yw yy 10yy p/P to paste
q*e
3 楼
Some versions of vi do not keep un-named buffer when you start editing a new file. Better use named buffer(it is always kept during one sessoin). so a safe way is: :"a y :"a p where y is a valid yank command.
【在 w*****n 的大作中提到】 : y command to yank(copy), as yw yy 10yy : p/P to paste