Mostly for myself when setting up macOS.

Allow me to introduce a site before The main dish:

Original Macintosh - Anecdotes about the development of Apple's original Macintosh, and the people who made it.

Symbol for keys:

Command (or Cmd) ⌘
Shift ⇧
Option (or Alt) ⌥
Control (or Ctrl) ⌃
Caps Lock ⇪

Turn off preview thumbnail when taking Screenshot

⌘+⇧+5, options, turn off thumbnail.

Sign PDF by Preview

Fill out and sign PDF forms in Preview on Mac.


Orta's Keyboard Shortcuts and Apple's official guide.

On Paste

System Preferences > Keyboard > App Shortcuts > All Applications

add "Paste and Match Style" ⌘V
add "Paste" ⌘V


Sudo with your Touch ID

Add this line to /etc/pam.d/sudo:

auth       sufficient

Enable Audio Codec

For better headlphone performance.

sudo defaults write bluetoothaudiod "Enable AptX codec" -bool true
sudo defaults write bluetoothaudiod "Enable AAC codec" -bool true

Faster key response

I really cannot live without this.

defaults write -g KeyRepeat -int 2
defaults write -g InitialKeyRepeat -int 12

numbers mean:

KeyRepeat: 120, 90, 60, 30, 12, 6, 2
InitialKeyRepeat: 120, 94, 68, 35, 25, 15
lower equals faster

Show Hidden files

defaults write AppleShowAllFiles YES

Open App from 3rd-party developer

defaults write /Library/Preferences/ GKAutoRearm -bool NO


Turned on Expanded Control Strip & Remove Siri

Restart Touchbar

pkill "Touch Bar agent";
killall "ControlStrip";



ln -s "/Applications/Sublime" /usr/local/bin/sublime

Git & GitHub

Add SSH key on GitHub

ssh-keygen -t rsa -b 4096 -C ""
eval "$(ssh-agent -s)"
ssh-add -K ~/.ssh/id_rsa
pbcopy < ~/.ssh/

Install hub

git config --global "Juanito Fatas"
git config --global ""
git config --global checkout
git config --global branch
git config --global alias.lp local-push
git config --global color.ui true
git config --global core.editor subl
git config --global core.excludesfile ~/.gitignore_global
git config --global diff.noprefix true

Open file by editor on iTerm2

Zip sharing

$ zip -e file
Enter password:
Verify password:

US keyboard for typing Japanese

Download Karabiner Elements, import rules for Japanese, then enable: