Finder > Settings, then click Advanced. Select or deselect "Show all filename extensions"
Hidden files
toggle: CMD + SHIFT + .
defaults write com.apple.finder AppleShowAllFiles YES
then relaunch
View -> Show Path bar
Preferences -> Advanced -> "Keep folders on top:" -> "In windows when sorting by name"
System Preferences -> Accessibility -> Pointer Control -> Mouse & Trackpad -> Trackpad Options -> Enable Dragging -> three finger drag
System Preferences -> Mouse -> Secondary click
System Preferences -> Mouse -> More Gestures -> Swipe between pages -> "Scroll Left or Right with One Finger"
Preferences -> General and change the “File Extensions” option to “show all”
Preferences -> Text Editing -> Display -> Line Wrapping
Preferences -> Text Editing -> Indentation -> Tab Width / Indent Width
2
⌘(command) + ⇧(shift) + ⌃ (Ctrl) + M
Preferences -> Themes
SF Mono Regular 12.0
Edit -> Format -> Spelling and Grammar -> Check spelling while typing
Pro look
Use bash chsh -s /bin/bash