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A curated list of shell commands and tools specific to OS X.

“You dont have to know everything. You simply need to know where to find it when necessary.” (John Brunner)

Awesome

If you want to contribute, you are highly encouraged to do so. Please read the contribution guidelines.

Table of Contents

Appearance

Transparency

Disable Transparency in Menu and Windows

defaults write com.apple.universalaccess reduceTransparency -bool true

Enable Transparency in Menu and Windows

defaults write com.apple.universalaccess reduceTransparency -bool false

Wallpaper

Set wallpaper

osascript -e 'tell application "Finder" to set desktop picture to POSIX file "/path/to/picture.jpg"'

Applications

App Store

List All Apps Downloaded from App Store

find /Applications -path '*Contents/_MASReceipt/receipt' -maxdepth 4 -print |\sed 's#.app/Contents/_MASReceipt/receipt#.app#g; s#/Applications/##'

Apple Remote Desktop

Remove Apple Remote Desktop Settings

sudo rm -rf /var/db/RemoteManagement
sudo rm /Library/Preferences/com.apple.RemoteDesktop.plist
rm ~/Library/Preferences/com.apple.RemoteDesktop.plist
sudo rm -r /Library/Application\ Support/Apple/Remote\ Desktop/
rm -r ~/Library/Application\ Support/Remote\ Desktop/
rm -r ~/Library/Containers/com.apple.RemoteDesktop

Sketch

Export Compact SVGs

defaults write com.bohemiancoding.sketch3 exportCompactSVG -bool yes

Developer

Xcode

Install Command Line Tools Without Xcode

xcode-select --install

Disks and Volumes

Repair file permissions

=======

Disable Sudden Motion Sensor

Leaving this turned on is useless when you're using SSDs.

sudo pmset -a sms 0

Eject All Mountable Volumes

The only reliable way to do this is by sending an AppleScript command to Finder.

osascript -e 'tell application "Finder" to eject (every disk whose ejectable is true)'

Repair File Permissions

You don't have to use the Disk Utility GUI for this.

sudo diskutil repairPermissions /

Finder

Hide folder in Finder

chflags hidden /path/to/folder/

Show All Hidden Files

defaults write com.apple.finder AppleShowAllFiles true

Restore Default File Visibility

defaults write com.apple.finder AppleShowAllFiles false

Unhide User Library folder

chflags nohidden ~/Library

Fonts

Clear Font Cache for Current User

To clear font caches for all users, put sudo in front of this command.

atsutil databases -removeUser && atsutil server -shutdown && atsutil server -ping

Hardware

Disable sudden motion sensor (useless for SSDs)

sudo pmset -a sms 0

Hardware Information

List All Hardware Ports

networksetup -listallhardwareports

Show Current Screen Resolution

system_profiler SPDisplaysDataType | grep Resolution

Power Management

Show All Power Management Settings

sudo pmset -g

Put Display to Sleep After 15 Minutes of Inactivity

sudo pmset displaysleep 15

Put Computer to Sleep After 30 Minutes of Inactivity

sudo pmset sleep 30

Check System Sleep Idle Time

sudo systemsetup -getcomputersleep

Set System Sleep Idle Time to 60 Minutes

sudo systemsetup -setcomputersleep 60

Turn Off System Sleep Completely

sudo systemsetup -setcomputersleep Never

Input Devices

Keyboard

Disable Auto-Correct

defaults write -g NSAutomaticSpellingCorrectionEnabled -bool false

Enable Auto-Correct

defaults write -g NSAutomaticSpellingCorrectionEnabled -bool true

Show Auto-Correct Setting

defaults read -g NSAutomaticSpellingCorrectionEnabled

Media

Audio

Convert Audio File to iPhone Ringtone

afconvert input.mp3 ringtone.m4r -f m4af

Networking

Bonjour

Disable Bonjour

defaults write /System/Library/LaunchDaemons/com.apple.mDNSResponder ProgramArguments -array "/usr/sbin/mDNSResponder" "-launchd"

Enable Bonjour

defaults write /System/Library/LaunchDaemons/com.apple.mDNSResponder ProgramArguments -array-add "-NoMulticastAdvertisements"

DHCP

Renew DHCP Lease

sudo ipconfig set en0 DHCP

Show DHCP Info

ipconfig getpacket en0

DNS

Clear DNS Cache

sudo dscachutil -flushcache && sudo killall -HUP mDNSResponder

Networking Tools

Ping a Host to See Whether Its Available

ping -o github.com

Troubleshoot Routing Problems

traceroute github.com

Wi-Fi

Show Wi-Fi Connection History

defaults read /Library/Preferences/SystemConfiguration/com.apple.airport.preferences | grep LastConnected -A 7

Show Wi-Fi Network Passwords

security find-generic-password -ga "ROUTERNAME" | grep "password:"

Package Managers

  • Fink - The full world of Unix Open Source software for Darwin.
  • Homebrew - The missing package manager for OS X.
  • MacPorts - Compile, install and upgrade either command-line, X11 or Aqua based open-source software.

Printing

Clear Print Queue

cancel -a -

Security

Gatekeeper

Add Gatekeeper Exception

spctl --add /path/to/Application.app

Remove Gatekeeper Exception

spctl --remove /path/to/Application.app

Wiping Data

Securely Remove File

srm /path/to/file

Securely Remove Directory

srm -r /path/to/directory/

Securely Remove Path (Force)

srm -rf /path/to/complete/destruction

System

Basics

Restart

sudo reboot

Shutdown

sudo poweroff

Show Build Number of OS

sw_vers

Clipboard

Copy data to Clipboard

cat whatever.txt | pbcopy

Copy data from Clipboard

pbpaste > whatever.txt

FileVault

Check FileVault Status

sudo fdesetup status

Information/Reports

Generate Advanced System and Performance Report

sudo sysdiagnose -f ~/Desktop/

Memory

Purge memory cache

sudo purge

Notification Center

Disable Notification Center

launchctl unload -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist && killall -9 NotificationCenter

Enable Notification Center

launchctl load -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist

Root User

Enable Root User

dsenableroot

Disable Root User

dsenableroot -d

Safe Mode Boot

Check Safe Mode Setting

nvram boot-args

Enable Safe Mode

sudo nvram boot-args="-x"

Disable Safe Mode

sudo nvram boot-args=""

Kernel Extensions

Load Kernel Extension

sudo kextload -b com.apple.driver.ExampleBundle

Unload Kernel Extensions

sudo kextunload -b com.apple.driver.ExampleBundle

License

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.