Yank current line#yy , Y
Yank from cursor to end of line#y$
Copy 6 lines#6yy
Copy current word#yw
Yank 3 words#3yw , y3w
Yank from cursor backwards to endif#y?endif
Put deleted or copied text below current line or right of cursor#p
Put deleted or copied text above current line or on left of cursor#P