ci, di = change or delete inside either: (MVP 2021)

• ci( or ci) = inside parentheses
• di{ or di} = inside braces
• vi[ or vi] = inside square brackets

:h(any vim command, or keyword) (HM 2020)

:sp = opens a new screen (MVP 2020)

gv = retrieve previously highlighted visual-mode selection

<C-d> = go down a buffer (fast j)

<C-u> = go up a buffer (fast k)

cw = delete word on cursor, switch to insert mode

% = go to matching { or }, ( or ), [ or ]

C = c$ = change whole line

s = cl = delete character on cursor, switch to insert mode

S = ^C = go to the beginning of text, change whole line

I = ^i = go to beginning of text, insert mode

A = $a = go to end of line, insert mode append (MVP 2019)

o = A<CR> = newline below, insert mode

O = ko = newline above, insert mode

:,$s/old/new/gc = find "old" and replace it with "new", from current line, for all matches, asking for confirmation (HM 2019)

:%s/old/new/gc = find "old" and replace it with "new", from beginning of file, for all matches, asking for confirmation

:s/old/new/gc = find "old" and replace it with "new", only current line, for all matches, (c = confirm)