cool vim features

guu

make the whole line lowercase

gUU

make the whole line uppercase

‘.

jump to the last line you edited

ma

creates a bookmark at the current position

‘a

jumps to the bookmark

You can make as many bookmarks as you like!

ga – gives you the ascii value of the char

B – goes back one space-delimited word

W – goes forward one space-delimted word

z<return> – adjusts line to be at the top

M – jumps to the middle of the visible file

P – pastes above current line