~/knowledge / cheat-sheet / command-index.md
native notes online
living shortcut index
cheat_sheet
A compact field manual for the tiny moves that save a disproportionate amount of time. Syntax-colored, kept close, and designed to collect the next useful thing.
16 indexed
history & process
Ctrl+R
reverse historytype to search what you already ran
!!
rerun last commandthe fastest useful two characters
Ctrl+C
stop the foreground jobinterrupt without closing the shell
Ctrl+L
clear the viewportleave history intact; regain focus
clipboard & machine
pbcopy < file
copy a file to clipboardsend raw file contents straight out
caffeinate -d
keep the Mac awakeuseful while a long job is running
cd -
jump to previous directorytoggle between two locations quickly
Ctrl+Y
paste the last deleted wordsmall shell editing magic
=XLOOKUP(needle, range, return)
selection & fill
⌘+↑
jump to data edgeskip the slow scroll through a column
⇧+Space
select current rowthen act on the entire record
⌘+Space
select current columnfor a clean column-level operation
⌘+D
fill downcarry formula or value through selection
formula & paste
F4
cycle reference locksrelative → absolute → mixed references
⌘+⇧+V
paste values onlykeep the result, leave the baggage
⌥+=
auto suminvite the grid to find the range
⌘+/
toggle filtersturn a messy table into a query surface