Complete macOS Keyboard Shortcuts Guide — System, Terminal, and Finder

Why Learn macOS Keyboard Shortcuts

macOS is an operating system with a well-designed keyboard-centric workflow. If you can switch windows, manage files, and edit text without a mouse, your development productivity increases significantly. Especially for developers switching from Windows, quickly learning the difference between Cmd and Ctrl and macOS-specific shortcuts is important.

This article organizes frequently used shortcuts by category: system, Finder, terminal, and text editing.

Understanding macOS Modifier Keys

macOS modifier keys differ from Windows. Knowing the keyboard symbols helps you read shortcuts quickly from menus.

Symbol	Key Name	Windows Equivalent
⌘	Command (Cmd)	Ctrl
⌥	Option (Alt/Opt)	Alt
⌃	Control (Ctrl)	N/A (macOS specific)
⇧	Shift	Shift
⇪	Caps Lock	Caps Lock
fn	Function	Fn

Developer tip: Remapping Caps Lock to Control makes Ctrl combinations much more comfortable in the terminal.

# Check Caps Lock → Control mapping (change in system settings)
# System Settings → Keyboard → Keyboard Shortcuts → Modifier Keys
# Caps Lock key: → Control

# Check key mapping in terminal
hidutil property --get "UserKeyMapping"
# Or map directly via command
hidutil property --set '{"UserKeyMapping":[{"HIDKeyboardModifierMappingSrc":0x700000039,"HIDKeyboardModifierMappingDst":0x7000000E0}]}'
# 0x700000039 = Caps Lock, 0x7000000E0 = Left Control

System Shortcuts

The most fundamental macOS system shortcuts.

Shortcut	Function
Cmd+Space	Spotlight search
Cmd+Tab	Switch apps
`Cmd+“	Switch windows of same app
Cmd+Q	Quit app
Cmd+W	Close current window/tab
Cmd+H	Hide current app
Cmd+M	Minimize current window
Cmd+,	Current app preferences
Ctrl+Space	Switch input source
Cmd+Ctrl+Q	Lock screen
Cmd+Shift+3	Full screen capture
Cmd+Shift+4	Area selection capture
Cmd+Shift+5	Screenshot/recording tool

Mission Control Shortcuts

Essential shortcuts for multiple desktops and window management.

Shortcut	Function
Ctrl+Up	Mission Control (view all windows)
Ctrl+Down	View all windows of current app
Ctrl+Left/Right	Move between desktops
Ctrl+Number	Jump to specific desktop
F11	Show desktop

# Check Mission Control desktop count
defaults read com.apple.spaces "spans-displays"

# Disable automatic desktop rearrangement (recommended for developers)
# System Settings → Desktop & Dock → Mission Control
# "Automatically rearrange Spaces based on most recent use" → Off

# Check Hot Corners settings (screen corner actions)
defaults read com.apple.dock | grep corner

Finder Shortcuts

Finder shortcuts for file management.

Shortcut	Function
Cmd+N	New Finder window
Cmd+Shift+N	Create new folder
Cmd+Delete	Move file to Trash
Cmd+Shift+Delete	Empty Trash
Cmd+D	Duplicate selection
Cmd+I	Get file info
Space	Quick Look (preview)
Cmd+Shift+.	Show/hide hidden files
Cmd+Up	Go to parent folder
Cmd+Down	Open selection
Cmd+Shift+G	Go to folder (enter path directly)
Cmd+1/2/3/4	Switch view mode (icon/list/column/gallery)

# Always show hidden files in Finder
defaults write com.apple.finder AppleShowAllFiles -bool true
killall Finder

# Show full path in Finder title bar
defaults write com.apple.finder _FXShowPosixPathInTitle -bool true
killall Finder

# Set default Finder view mode to list
defaults write com.apple.finder FXPreferredViewStyle -string "Nlsv"
killall Finder

Terminal/Shell Shortcuts

Shortcuts common to both iTerm2 and the default terminal. Based on Emacs keybindings.

Shortcut	Function
Ctrl+A	Move to beginning of line
Ctrl+E	Move to end of line
Ctrl+U	Delete everything left of cursor
Ctrl+K	Delete everything right of cursor
Ctrl+W	Delete previous word
Ctrl+L	Clear screen
Ctrl+R	Reverse history search
Ctrl+C	Cancel current command
Ctrl+D	Exit shell
Ctrl+Z	Suspend process
Option+Left/Right	Move by word (iTerm2)
Cmd+K	Fully clear terminal screen (iTerm2)

# Check keybindings in zsh
bindkey -l
# Output: emacs viins vicmd ...

# To switch to vi mode
# bindkey -v
# Add to .zshrc for vi-style editing

# Use fzf history search instead of Ctrl+R (more powerful)
# After installing fzf, Ctrl+R is automatically replaced with fzf
brew install fzf
$(brew --prefix)/opt/fzf/install
# Ctrl+R → fzf-based fuzzy search for history

Text Editing Shortcuts

Text editing shortcuts common across the entire macOS system.

Shortcut	Function
Cmd+A	Select all
Cmd+C/X/V	Copy/Cut/Paste
Cmd+Z	Undo
Cmd+Shift+Z	Redo
Cmd+F	Find
Cmd+G	Find next
Option+Delete	Delete previous word
Cmd+Delete	Delete to beginning of line
Option+Left/Right	Move by word
Cmd+Left/Right	Move to beginning/end of line
Cmd+Up/Down	Move to beginning/end of document
Shift + movement key	Extend selection

Custom Shortcut Configuration

On macOS, you can assign custom shortcuts to any menu item.

# Add custom shortcuts in system settings
# System Settings → Keyboard → Keyboard Shortcuts → App Shortcuts
# "+" button → select app → enter menu title → assign shortcut

# Set custom shortcut via command (e.g., "Show Package Contents" in Finder)
defaults write com.apple.finder NSUserKeyEquivalents -dict-add \
    "Show Package Contents" "@\$p"
# @ = Cmd, $ = Shift, p = P key

# Check currently configured custom shortcuts
defaults read -g NSUserKeyEquivalents
defaults read com.apple.finder NSUserKeyEquivalents

Window Management Tool Integration

If macOS’s built-in window management isn’t enough, Rectangle (free) is recommended.

Shortcut (Rectangle)	Function
Ctrl+Option+Left	Left half
Ctrl+Option+Right	Right half
Ctrl+Option+Up	Top half
Ctrl+Option+Down	Bottom half
Ctrl+Option+Enter	Maximize
Ctrl+Option+C	Center on screen
Ctrl+Option+U	Top-left quarter

# Install Rectangle
brew install --cask rectangle

# Or use macOS 15+ built-in window management
# Drag windows to screen edges for snapping

Summary

A strategy for learning macOS keyboard shortcuts.

• Start with 5 essentials: Master Cmd+Space, Cmd+Tab, Cmd+\``, Cmd+Q, and Cmd+,` first to complete the basic workflow
• Terminal shortcuts: Learning just Ctrl+A/E/U/K/R dramatically improves terminal efficiency
• Finder: Cmd+Shift+. (hidden files) and Cmd+Shift+G (go to path) are developer essentials
• Window management: Install Rectangle and use Ctrl+Option+arrow keys for window splitting
• Caps Lock remapping: Mapping Caps Lock to Control makes terminal shortcuts much more comfortable
• Incremental learning: Don’t try to memorize everything at once — adding 3-5 new shortcuts per week is more effective