Essential Navigation

• ⌘ + Space - Spotlight Search
• ⌘ + Tab - Switch Applications
• ⌘ + ` - Switch Windows (Same App)
• ⌘ + Q - Quit Application
• ⌘ + W - Close Window/Tab
• ⌘ + , - Open Preferences

Text Navigation & Selection

• ⌥ + → - Move by Word
• ⌘ + → - Move to Line End
• ⌘ + ← - Move to Line Start
• ⌘ + ↑ - Move to Document Start
• ⌘ + ↓ - Move to Document End
• Shift + Any Arrow - Select Text

Text Manipulation

• ⌘ + C - Copy
• ⌘ + X - Cut
• ⌘ + V - Paste
• ⌘ + Z - Undo
• ⌘ + Shift + Z - Redo
• ⌘ + A - Select All

Navigation

• ⌘ + Shift + G - Go to Folder
• ⌘ + Shift + H - Home Folder
• ⌘ + Shift + D - Desktop
• ⌘ + Shift + A - Applications

File Operations

• ⌘ + Delete - Move to Trash
• ⌘ + Shift + Delete - Empty Trash
• Space - Quick Look
• ⌘ + I - Get Info
• ⌘ + D - Duplicate

• ⌘ + Shift + 3 - Full Screenshot
• ⌘ + Shift + 4 - Selected Area Screenshot
• ⌘ + Shift + 5 - Screenshot/Recording Options
• ⌘ + Shift + 4, Space - Window Screenshot

# Show hidden files
defaults write com.apple.finder AppleShowAllFiles YES

# Flush DNS cache
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder

# Show/hide desktop icons
defaults write com.apple.finder CreateDesktop false
killall Finder

# Clear DNS cache
sudo killall -HUP mDNSResponder

# Show system info
system_profiler SPHardwareDataType

• Use ⌘ + Shift + . to show/hide hidden files
• Hold ⌥ while clicking menu bar icons for additional options
• Use ⌃ + ⌘ + Space for emoji picker
• Hold ⌥ while adjusting volume/brightness for fine control