Adjust Volume and Brightness manually
Volume: Option + Shift + Volume Up/Down button Brightness: Option + Shift + Brightness Up/Down button
See all folders and files inside a nested folder
Hide/Show Finder Sidebar
Search files on Mac
Clear Trash without warning
Option + Shift + Command + Delete Note: You won’t be getting any warning, so please be careful and think twice before clearing.
Hide/reveal Dock
Dock interrupting the screen space? Here’s how you can hide/show Dock: Option + Command + D
Delete the word to the left of the insertion point/cursor
Instead of using delete button constantly to delete letters, you can use this key combo to delete the entire word. Option + Delete
Delete the word to the left of the insertion point/cursor
Brightness: Option + brightness up/down Sound preferences: Option + Volume up/down