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+
+
+> A curated list of shell commands and tools specific to OS X.
+>
+> _“You don’t have to know everything. You simply need to know where to find it when necessary.” (John Brunner)_
+
+[![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome) [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/herrbischoff/awesome-osx-command-line)
+
+If you want to contribute, you are highly encouraged to do so. Please read the [contribution guidelines](contributing.md).
+
+For more terminal shell goodness, please also see this list's sister list [Awesome Command Line Apps](https://github.com/herrbischoff/awesome-command-line-apps).
+
+## Table of Contents
+
+- [Appearance](#appearance)
+ - [Transparency](#transparency)
+ - [Wallpaper](#wallpaper)
+- [Applications](#applications)
+ - [App Store](#app-store)
+ - [Apple Remote Desktop](#apple-remote-desktop)
+ - [iTunes](#itunes)
+ - [Mail](#mail)
+ - [Safari](#safari)
+ - [Sketch](#sketch)
+ - [TextEdit](#textedit)
+- [Backup](#backup)
+ - [Time Machine](#time-machine)
+- [Developer](#developer)
+ - [App Icons](#app-icons)
+ - [Vim](#vim)
+ - [Xcode](#xcode)
+- [Disks and Volumes](#disks-and-volumes)
+ - [Disk Images](#disk-images)
+- [Dock](#dock)
+- [Documents](#documents)
+- [Finder](#finder)
+ - [Files and Folders](#files-and-folders)
+ - [Layout](#layout)
+ - [Metadata Files](#metadata-files)
+ - [Opening Things](#opening-things)
+- [Fonts](#fonts)
+- [Functions](#functions)
+- [Hardware](#hardware)
+ - [Hardware Information](#hardware-information)
+ - [Power Management](#power-management)
+- [Input Devices](#input-devices)
+ - [Keyboard](#keyboard)
+- [Media](#media)
+ - [Audio](#audio)
+ - [Video](#video)
+- [Networking](#networking)
+ - [Bonjour](#bonjour)
+ - [DHCP](#dhcp)
+ - [DNS](#dns)
+ - [Hostname](#hostname)
+ - [Networking Tools](#networking-tools)
+ - [TCP/IP](#tcpip)
+ - [Wi-Fi](#wi-fi)
+- [Package Managers](#package-managers)
+- [Printing](#printing)
+- [Security](#security)
+ - [Application Firewall](#application-firewall)
+ - [Gatekeeper](#gatekeeper)
+ - [Passwords](#passwords)
+ - [Physical Access](#physical-access)
+ - [Wiping Data](#wiping-data)
+- [Search](#search)
+ - [Find](#find)
+ - [Locate](#locate)
+- [System](#system)
+ - [AirDrop](#airdrop)
+ - [AppleScript](#applescript)
+ - [Basics](#basics)
+ - [Clipboard](#clipboard)
+ - [FileVault](#filevault)
+ - [Information/Reports](#informationreports)
+ - [Kernel Extensions](#kernel-extensions)
+ - [LaunchAgents](#launchagents)
+ - [LaunchServices](#launchservices)
+ - [Login Window](#login-window)
+ - [Memory Management](#memory-management)
+ - [Notification Center](#notification-center)
+ - [QuickLook](#quicklook)
+ - [Root User](#root-user)
+ - [Safe Mode Boot](#safe-mode-boot)
+ - [Screenshots](#screenshots)
+ - [Software Installation](#software-installation)
+ - [Software Update](#software-update)
+ - [Spotlight](#spotlight)
+ - [System Integrity Protection](#system-integrity-protection)
+- [Terminal](#terminal)
+ - [Alternative Terminals](#alternative-terminals)
+ - [Shells](#shells)
+ - [Terminal Fonts](#terminal-fonts)
+
+
+## Appearance
+
+### Transparency
+
+#### Transparency in Menu and Windows
+```bash
+# Reduce Transparency
+defaults write com.apple.universalaccess reduceTransparency -bool true
+
+# Restore Default Transparency
+defaults write com.apple.universalaccess reduceTransparency -bool false
+```
+
+
+### Wallpaper
+
+#### Set Wallpaper
+```bash
+# Up to Mountain Lion
+osascript -e 'tell application "Finder" to set desktop picture to POSIX file "/path/to/picture.jpg"'
+
+# Since Mavericks
+sqlite3 ~/Library/Application\ Support/Dock/desktoppicture.db "update data set value = '/path/to/picture.jpg'" && killall Dock
+```
+
+
+## Applications
+
+### App Store
+
+#### List All Apps Downloaded from App Store
+```bash
+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
+```bash
+sudo rm -rf /var/db/RemoteManagement ; \
+sudo defaults delete /Library/Preferences/com.apple.RemoteDesktop.plist ; \
+defaults delete ~/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
+```
+
+### iTunes
+
+#### Keyboard Media Keys
+```bash
+# Stop Responding to Key Presses
+launchctl unload -w /System/Library/LaunchAgents/com.apple.rcd.plist
+
+# Respond to Key Presses (Default)
+launchctl load -w /System/Library/LaunchAgents/com.apple.rcd.plist
+```
+
+### Mail
+
+#### Vacuum Mail Index
+The AppleScript code below will quit Mail, vacuum the SQLite index, then re-open Mail. On a large email database that hasn't been optimized for a while, this can provide significant improvements in responsiveness and speed.
+```applescript
+(*
+Speed up Mail.app by vacuuming the Envelope Index
+Code from: http://www.hawkwings.net/2007/03/03/scripts-to-automate-the-mailapp-envelope-speed-trick/
+Originally by "pmbuko" with modifications by Romulo
+Updated by Brett Terpstra 2012
+Updated by Mathias Törnblom 2015 to support V3 in El Capitan and still keep backwards compability
+*)
+
+tell application "Mail" to quit
+set os_version to do shell script "sw_vers -productVersion"
+set mail_version to "V2"
+considering numeric strings
+ if "10.10" <= os_version then set mail_version to "V3"
+end considering
+
+set sizeBefore to do shell script "ls -lnah ~/Library/Mail/" & mail_version & "/MailData | grep -E 'Envelope Index$' | awk {'print $5'}"
+do shell script "/usr/bin/sqlite3 ~/Library/Mail/" & mail_version & "/MailData/Envelope\\ Index vacuum"
+
+set sizeAfter to do shell script "ls -lnah ~/Library/Mail/" & mail_version & "/MailData | grep -E 'Envelope Index$' | awk {'print $5'}"
+
+display dialog ("Mail index before: " & sizeBefore & return & "Mail index after: " & sizeAfter & return & return & "Enjoy the new speed!")
+
+tell application "Mail" to activate
+```
+
+### Safari
+
+#### Enable Develop Menu and Web Inspector
+```bash
+defaults write com.apple.Safari IncludeInternalDebugMenu -bool true && \
+defaults write com.apple.Safari IncludeDevelopMenu -bool true && \
+defaults write com.apple.Safari WebKitDeveloperExtrasEnabledPreferenceKey -bool true && \
+defaults write com.apple.Safari com.apple.Safari.ContentPageGroupIdentifier.WebKit2DeveloperExtrasEnabled -bool true && \
+defaults write NSGlobalDomain WebKitDeveloperExtras -bool true
+```
+
+#### Get Current Page Data
+Other options: `get source`, `get text`.
+```bash
+osascript -e 'tell application "Safari" to get URL of current tab of front window'
+```
+
+### Sketch
+
+#### Export Compact SVGs
+```bash
+defaults write com.bohemiancoding.sketch3 exportCompactSVG -bool yes
+```
+
+### TextEdit
+
+#### Use Plain Text Mode as Default
+```bash
+defaults write com.apple.TextEdit RichText -int 0
+```
+
+
+## Backup
+
+### Time Machine
+
+#### Change Backup Interval
+This changes the interval to 30 minutes. The integer value is the time in seconds.
+```bash
+sudo defaults write /System/Library/Launch Daemons/com.apple.backupd-auto StartInterval -int 1800
+```
+
+#### Prevent Time Machine from Prompting to Use New Hard Drives as Backup Volume
+```bash
+defaults write com.apple.TimeMachine DoNotOfferNewDisksForBackup -bool true
+```
+
+#### Set Status
+```bash
+# Disable Local Time Machine Backups
+hash tmutil &> /dev/null && sudo tmutil disablelocal
+
+# Enable Local Time Machine Backups (Default)
+hash tmutil &> /dev/null && sudo tmutil enablelocal
+```
+
+
+## Developer
+
+### Vim
+
+#### Compile Sane Vim
+Compiling MacVim via Homebrew with all bells and whistles, including overriding system Vim.
+```bash
+brew install macvim --HEAD --with-cscope --with-lua --with-override-system-vim --with-luajit --with-python
+```
+
+#### Neovim
+Install the development version of this modern Vim drop-in alternative via Homebrew.
+```bash
+brew tap neovim/neovim && \
+brew install --HEAD neovim
+```
+
+### Xcode
+
+#### Install Command Line Tools without Xcode
+```bash
+xcode-select --install
+```
+
+#### Remove All Unavailable Simulators
+```bash
+xcrun simctl delete unavailable
+```
+
+
+## Disks and Volumes
+
+#### Disable Sudden Motion Sensor
+Leaving this turned on is useless when you're using SSDs.
+```bash
+sudo pmset -a sms 0
+```
+
+#### Eject All Mountable Volumes
+The only reliable way to do this is by sending an AppleScript command to Finder.
+```bash
+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.
+```bash
+sudo diskutil repairPermissions /
+```
+> Beginning with OS X El Capitan, system file permissions are automatically protected. It's no longer necessary to verify or repair permissions with Disk Utility. ([Source](https://support.apple.com/en-us/HT201560))
+
+#### Set Boot Volume
+```bash
+bless --mount "/path/to/mounted/volume" --setBoot
+```
+
+#### Show All Attached Disks and Partitions
+```bash
+diskutil list
+```
+
+#### View File System Usage
+A continuous stream of file system access info.
+```bash
+sudo fs_usage
+```
+
+### Disk Images
+
+#### Create Disk Image From Folder Contents
+```bash
+hdiutil create -volname "Volume Name" -srcfolder /path/to/folder -ov diskimage.dmg
+```
+
+If you'd like to encrypt the disk image:
+```bash
+hdiutil create -encryption -stdinpass -volname "Volume Name" -srcfolder /path/to/folder -ov encrypted.dmg
+```
+
+By default, you'll be prompted for a password. You can automate that by piping in a password:
+```bash
+echo -n YourPassword | hdiutil create -encryption -stdinpass -volname "Volume Name" -srcfolder /path/to/folder -ov encrypted.dmg
+```
+
+#### Burn Disk Images to DVD
+This command applies to .iso, .img and .dmg images.
+```bash
+hdiutil burn /path/to/image_file
+```
+
+#### Disable Disk Image Verification
+```bash
+defaults write com.apple.frameworks.diskimages skip-verify -bool true && \
+defaults write com.apple.frameworks.diskimages skip-verify-locked -bool true && \
+defaults write com.apple.frameworks.diskimages skip-verify-remote -bool true
+```
+
+#### Make Volume OS X Bootable
+```bash
+bless --folder "/path/to/mounted/volume/System/Library/CoreServices" --bootinfo --bootefi
+```
+
+#### Mount Disk Image
+```bash
+hdiutil attach /path/to/diskimage.dmg
+```
+
+#### Unmount Disk Image
+```bash
+hdiutil detach /dev/disk2s1
+```
+
+#### Write Disk Image to Volume
+Like the Disk Utility "Restore" function.
+```bash
+sudo asr -restore -noverify -source /path/to/diskimage.dmg -target /Volumes/VolumeToRestoreTo
+```
+
+
+## Dock
+
+#### Add a Stack with Recent Applications
+```bash
+defaults write com.apple.dock persistent-others -array-add '{ "tile-data" = { "list-type" = 1; }; "tile-type" = "recents-tile"; }' && \
+killall Dock
+```
+
+#### Add a Space
+```bash
+defaults write com.apple.dock persistent-apps -array-add '{"tile-type"="spacer-tile";}' && \
+killall Dock
+```
+
+#### Set Auto Show/Hide Delay
+The float number defines the show/hide delay in ms.
+```bash
+defaults write com.apple.Dock autohide-delay -float 0 && \
+killall Dock
+```
+
+#### Show Hidden App Icons
+```bash
+# Enable
+defaults write com.apple.dock showhidden -bool true && \
+killall Dock
+
+# Disable
+defaults write com.apple.dock showhidden -bool false && \
+killall Dock
+```
+
+
+## Documents
+
+#### Convert File to HTML
+Supported formats are plain text, rich text (rtf) and Microsoft Word (doc/docx).
+```bash
+textutil -convert html file.ext
+```
+
+
+## Finder
+
+### Files and Folders
+
+#### Clear All ACLs
+```bash
+sudo chmod -RN /path/to/folder
+```
+
+#### Hide Folder in Finder
+```bash
+chflags hidden /path/to/folder/
+```
+#### Show All File Extensions
+```bash
+defaults write NSGlobalDomain AppleShowAllExtensions -bool true
+```
+
+#### Show Hidden Files
+```bash
+# Show All
+defaults write com.apple.finder AppleShowAllFiles true
+
+# Restore Default File Visibility
+defaults write com.apple.finder AppleShowAllFiles false
+```
+
+#### Remove Protected Flag
+```bash
+sudo chflags -R nouchg /path/to/file/or/folder
+```
+
+#### Show Full Path in Finder Title
+```bash
+defaults write com.apple.finder _FXShowPosixPathInTitle -bool true
+```
+
+#### Unhide User Library Folder
+```bash
+chflags nohidden ~/Library
+```
+
+#### Increase Number of Recent Places
+```bash
+defaults write .GlobalPreferences NSNavRecentPlacesLimit -int 10 && \
+killall Finder
+```
+
+### Layout
+
+#### Smooth Scrolling
+Useful if you’re on an older Mac that messes up the animation.
+```bash
+# Disable
+defaults write NSGlobalDomain NSScrollAnimationEnabled -bool false
+
+# Enable (Default)
+defaults write NSGlobalDomain NSScrollAnimationEnabled -bool true
+```
+
+#### Rubberband Scrolling
+```bash
+# Disable
+defaults write -g NSScrollViewRubberbanding -bool false
+
+# Enable (Default)
+defaults write -g NSScrollViewRubberbanding -bool true
+```
+
+#### Expand Save Panel by Default
+```bash
+defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true && \
+defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode2 -bool true
+```
+
+#### Desktop Icon Visibility
+```bash
+# Hide Icons
+defaults write com.apple.finder CreateDesktop -bool false && \
+killall Finder
+
+# Show Icons (Default)
+defaults write com.apple.finder CreateDesktop -bool true && \
+killall Finder
+```
+
+#### Path Bar
+```bash
+# Show
+defaults write com.apple.finder ShowPathbar -bool true
+
+# Hide (Default)
+defaults write com.apple.finder ShowPathbar -bool false
+```
+
+#### Scrollbar Visibility
+Possible values: `WhenScrolling`, `Automatic` and `Always`.
+```bash
+defaults write NSGlobalDomain AppleShowScrollBars -string "Always"
+```
+
+#### Status Bar
+```bash
+# Show
+defaults write com.apple.finder ShowStatusBar -bool true
+
+# Hide (Default)
+defaults write com.apple.finder ShowStatusBar -bool false
+```
+
+#### Save to Disk by Default
+Sets default save target to be a local disk, not iCloud.
+```bash
+defaults write NSGlobalDomain NSDocumentSaveNewDocumentsToCloud -bool false
+```
+
+#### Set Current Folder as Default Search Scope
+```bash
+defaults write com.apple.finder FXDefaultSearchScope -string "SCcf"
+```
+
+#### Set Default Finder Location to Home Folder
+```bash
+defaults write com.apple.finder NewWindowTarget -string "PfLo" && \
+defaults write com.apple.finder NewWindowTargetPath -string "file://${HOME}"
+```
+
+#### Set Sidebar Icon Size
+Sets size to 'medium'.
+```bash
+defaults write NSGlobalDomain NSTableViewDefaultSizeMode -int 2
+```
+
+### Metadata Files
+
+#### Disable Creation of Metadata Files on Network Volumes
+Avoids creation of `.DS_Store` and AppleDouble files.
+```bash
+defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true
+```
+
+#### Disable Creation of Metadata Files on USB Volumes
+Avoids creation of `.DS_Store` and AppleDouble files.
+```bash
+defaults write com.apple.desktopservices DSDontWriteUSBStores -bool true
+```
+
+### Opening Things
+
+#### Change Working Directory to Finder Path
+If multiple windows are open, it chooses the top-most one.
+```bash
+cd "$(osascript -e 'tell app "Finder" to POSIX path of (insertion location as alias)')"
+```
+
+#### Open URL
+```bash
+open http://www.github.com
+```
+
+#### Open File
+```bash
+open README.md
+```
+
+#### Open Applications
+You can open applications using `-a`.
+```bash
+open -a "Google Chrome" http://www.github.com
+```
+
+#### Open Folder
+```bash
+open /path/to/folder/
+```
+
+#### Open Current Folder
+```bash
+open .
+```
+
+
+## Fonts
+
+#### Clear Font Cache for Current User
+To clear font caches for all users, put `sudo` in front of this command.
+```bash
+atsutil databases -removeUser && \
+atsutil server -shutdown && \
+atsutil server -ping
+```
+
+
+## Functions
+
+Please see [this file](functions.md).
+
+
+## Hardware
+
+### Hardware Information
+
+#### List All Hardware Ports
+```bash
+networksetup -listallhardwareports
+```
+
+#### Remaining Battery Percentage
+```bash
+pmset -g batt | egrep "([0-9]+\%).*" -o --colour=auto | cut -f1 -d';'
+```
+
+#### Remaining Battery Time
+```bash
+pmset -g batt | egrep "([0-9]+\%).*" -o --colour=auto | cut -f3 -d';'
+```
+
+#### Show Connected Device's UDID
+```bash
+system_profiler SPUSBDataType | sed -n -e '/iPad/,/Serial/p' -e '/iPhone/,/Serial/p'
+```
+
+#### Show Current Screen Resolution
+```bash
+system_profiler SPDisplaysDataType | grep Resolution
+```
+
+#### Show CPU Brand String
+```bash
+sysctl -n machdep.cpu.brand_string
+```
+
+### Power Management
+
+#### Prevent System Sleep
+Prevent sleep for 1 hour:
+```bash
+caffeinate -u -t 3600
+```
+
+#### Show All Power Management Settings
+```bash
+sudo pmset -g
+```
+
+#### Put Display to Sleep after 15 Minutes of Inactivity
+```bash
+sudo pmset displaysleep 15
+```
+
+#### Put Computer to Sleep after 30 Minutes of Inactivity
+```bash
+sudo pmset sleep 30
+```
+
+#### Check System Sleep Idle Time
+```bash
+sudo systemsetup -getcomputersleep
+```
+
+#### Set System Sleep Idle Time to 60 Minutes
+```bash
+sudo systemsetup -setcomputersleep 60
+```
+
+#### Turn Off System Sleep Completely
+```bash
+sudo systemsetup -setcomputersleep Never
+```
+
+#### Automatic Restart on System Freeze
+```bash
+sudo systemsetup -setrestartfreeze on
+```
+
+#### Chime When Charging
+Play iOS charging sound when MagSafe is connected.
+```bash
+# Enable
+defaults write com.apple.PowerChime ChimeOnAllHardware -bool true && \
+open /System/Library/CoreServices/PowerChime.app
+
+# Disable (Default)
+defaults write com.apple.PowerChime ChimeOnAllHardware -bool false && \
+killall PowerChime
+```
+
+
+## Input Devices
+
+### Keyboard
+
+#### Auto-Correct
+```bash
+# Disable
+defaults write -g NSAutomaticSpellingCorrectionEnabled -bool false
+
+# Enable (Default)
+defaults write -g NSAutomaticSpellingCorrectionEnabled -bool true
+
+# Show Status
+defaults read -g NSAutomaticSpellingCorrectionEnabled
+```
+
+#### Key Repeat
+Disable the default "press and hold" behavior.
+```bash
+# Enable Key Repeat
+defaults write -g ApplePressAndHoldEnabled -bool false
+
+# Disable Key Repeat
+defaults write -g ApplePressAndHoldEnabled -bool true
+```
+
+#### Key Repeat Rate
+Sets a very fast repeat rate, adjust to taste.
+```bash
+defaults write NSGlobalDomain KeyRepeat -int 0.02
+```
+
+
+## Media
+
+### Audio
+
+#### Convert Audio File to iPhone Ringtone
+```bash
+afconvert input.mp3 ringtone.m4r -f m4af
+```
+
+#### Disable Sound Effects on Boot
+```bash
+sudo nvram SystemAudioVolume=" "
+```
+
+#### Mute Audio Output
+```bash
+osascript -e 'set volume output muted true'
+```
+
+#### Set Audio Volume
+```bash
+osascript -e 'set volume 4'
+```
+
+#### Play Audio File
+You can play all audio formats that are natively supported by QuickTime.
+```bash
+afplay -q 1 filename.mp3
+```
+
+#### Speak Text with System Default Voice
+```bash
+say 'All your base are belong to us!'
+```
+
+### Video
+
+#### Auto-Play Videos in QuickTime Player
+```bash
+defaults write com.apple.QuickTimePlayerX MGPlayMovieOnOpen 1
+```
+
+
+## Networking
+
+### Bonjour
+
+#### Bonjour Service
+```bash
+# Disable
+sudo defaults write /System/Library/LaunchDaemons/com.apple.mDNSResponder ProgramArguments -array-add "-NoMulticastAdvertisements"
+
+# Enable (Default)
+sudo defaults write /System/Library/LaunchDaemons/com.apple.mDNSResponder ProgramArguments -array "/usr/sbin/mDNSResponder" "-launchd"
+```
+
+### DHCP
+
+#### Renew DHCP Lease
+```bash
+sudo ipconfig set en0 DHCP
+```
+
+#### Show DHCP Info
+```bash
+ipconfig getpacket en0
+```
+
+### DNS
+
+#### Clear DNS Cache
+```bash
+sudo dscacheutil -flushcache && \
+sudo killall -HUP mDNSResponder
+```
+
+### Hostname
+
+#### Set Computer Name/Host Name
+```bash
+sudo scutil --set ComputerName "newhostname" && \
+sudo scutil --set HostName "newhostname" && \
+sudo scutil --set LocalHostName "newhostname" && \
+sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server NetBIOSName -string "newhostname"
+```
+
+### Networking Tools
+
+#### Ping a Host to See Whether It’s Available
+```bash
+ping -o github.com
+```
+
+#### Troubleshoot Routing Problems
+```bash
+traceroute github.com
+```
+
+### TCP/IP
+
+#### Show Application Using a Certain Port
+This outputs all applications currently using port 80.
+```bash
+sudo lsof -i :80
+```
+
+#### Show External IP Address
+```bash
+dig +short myip.opendns.com @resolver1.opendns.com
+```
+
+### Wi-Fi
+
+#### Join a Wi-Fi Network
+```bash
+networksetup -setairportnetwork en0 WIFI_SSID WIFI_PASSWORD
+```
+
+#### Scan Available Access Points
+Create a symbolic link to the airport command for easy access:
+```bash
+sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/local/bin/airport
+```
+Run a wireless scan:
+```bash
+airport -s
+```
+
+#### Show Current SSID
+```bash
+/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I | awk '/ SSID/ {print substr($0, index($0, $2))}'
+```
+
+#### Show Local IP Address
+```bash
+ipconfig getifaddr en0
+```
+
+#### Show Wi-Fi Connection History
+```bash
+defaults read /Library/Preferences/SystemConfiguration/com.apple.airport.preferences | grep LastConnected -A 7
+```
+
+#### Show Wi-Fi Network Passwords
+Exchange SSID with the SSID of the access point you wish to query the password from.
+```bash
+security find-generic-password -D "AirPort network password" -a "SSID" -gw
+```
+
+#### Turn on Wi-Fi Adapter
+```bash
+networksetup -setairportpower en0 on
+```
+
+## Package Managers
+
+- [Fink](http://www.finkproject.org) - The full world of Unix Open Source software for Darwin.
+- [Homebrew](http://brew.sh) - The missing package manager for OS X.
+- [MacPorts](https://www.macports.org) - Compile, install and upgrade either command-line, X11 or Aqua based open-source software.
+
+
+## Printing
+
+#### Clear Print Queue
+```bash
+cancel -a -
+```
+
+#### Expand Print Panel by Default
+```bash
+defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true && \
+defaults write NSGlobalDomain PMPrintingExpandedStateForPrint2 -bool true
+```
+
+#### Quit Printer App After Print Jobs Complete
+```bash
+defaults write com.apple.print.PrintingPrefs "Quit When Finished" -bool true
+```
+
+
+## Security
+
+### Application Firewall
+
+#### Firewall Service
+```bash
+# Show Status
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --getglobalstate
+
+# Enable
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on
+
+# Disable (Default)
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate off
+```
+
+#### Add Application to Firewall
+```bash
+sudo /usr/libexec/ApplicationFirewall/socketfilterfw --add /path/to/file
+```
+
+### Gatekeeper
+
+#### Add Gatekeeper Exception
+```bash
+spctl --add /path/to/Application.app
+```
+
+#### Remove Gatekeeper Exception
+```bash
+spctl --remove /path/to/Application.app
+```
+
+### Passwords
+
+#### Generate Secure Password and Copy to Clipboard
+First, install `pwgen` via Homebrew, etc.
+```bash
+pwgen -Cs 20 1 | tr -d ' ' | tr -d '\n' | pbcopy
+```
+
+### Physical Access
+
+#### Launch Screen Saver
+```bash
+open /System/Library/Frameworks/ScreenSaver.framework/Versions/A/Resources/ScreenSaverEngine.app
+```
+
+#### Lock Screen
+```bash
+/System/Library/CoreServices/Menu\ Extras/User.menu/Contents/Resources/CGSession -suspend
+```
+
+### Wiping Data
+
+#### Securely Remove File
+```bash
+srm /path/to/file
+```
+
+#### Securely Remove Folder
+```bash
+srm -r /path/to/folder/
+```
+
+#### Securely Remove Path (Force)
+```bash
+srm -rf /path/to/complete/destruction
+```
+
+
+## Search
+
+### Find
+
+#### Recursively Delete .DS_Store Files
+```bash
+find . -type f -name '*.DS_Store' -ls -delete
+```
+
+### Locate
+
+#### Build Locate Database
+```bash
+sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.locate.plist
+```
+
+#### Search via Locate
+The `-i` modifier makes the search case insensitive.
+```bash
+locate -i *.jpg
+```
+
+
+## System
+
+### AirDrop
+
+#### Enable AirDrop over Ethernet and on Unsupported Macs
+```bash
+defaults write com.apple.NetworkBrowser BrowseAllInterfaces -bool true
+```
+
+### AppleScript
+
+#### Execute AppleScript
+```bash
+osascript /path/to/script.scpt
+```
+
+### Basics
+
+#### Restart
+```bash
+sudo reboot
+```
+
+#### Shutdown
+```bash
+sudo poweroff
+```
+
+#### Show Build Number of OS
+```bash
+sw_vers
+```
+
+#### Uptime
+How long since your last restart.
+```bash
+uptime
+```
+
+### Clipboard
+
+#### Copy data to Clipboard
+```bash
+cat whatever.txt | pbcopy
+```
+
+#### Convert Clipboard to Plain Text
+```bash
+pbpaste | textutil -convert txt -stdin -stdout -encoding 30 | pbcopy
+```
+
+#### Convert Tabs to Spaces for Clipboard Content
+```bash
+pbpaste | expand | pbcopy
+```
+
+#### Copy data from Clipboard
+```bash
+pbpaste > whatever.txt
+```
+
+#### Sort and Strip Duplicate Lines from Clipboard Content
+```bash
+pbpaste | sort | uniq | pbcopy
+```
+
+### FileVault
+
+#### Automatically Unlock FileVault on Restart
+If FileVault is enabled on the current volume, it restarts the system, bypassing the initial unlock. The command may not work on all systems.
+```bash
+sudo fdesetup authrestart
+```
+
+#### FileVault Service
+```bash
+# Status
+sudo fdesetup status
+
+# Enable
+sudo fdesetup enable
+
+# Disable (Default)
+sudo fdestatus disable
+```
+
+### Information/Reports
+
+#### Generate Advanced System and Performance Report
+```bash
+sudo sysdiagnose -f ~/Desktop/
+```
+
+### Kernel Extensions
+
+#### Display Status of Loaded Kernel Extensions
+```bash
+sudo kextstat -l
+```
+
+#### Load Kernel Extension
+```bash
+sudo kextload -b com.apple.driver.ExampleBundle
+```
+
+#### Unload Kernel Extensions
+```bash
+sudo kextunload -b com.apple.driver.ExampleBundle
+```
+
+### LaunchAgents
+
+Please see [this file](launchagents.md).
+
+
+### LaunchServices
+
+#### Rebuild LaunchServices Database
+To be independent of OS X version, this relies on `locate` to find `lsregister`. If you do not have your `locate` database built yet, [do it](#build-locate-database).
+```bash
+sudo $(locate lsregister) -kill -seed -r
+```
+
+### Login Window
+
+#### Set Login Window Text
+```bash
+sudo defaults write /Library/Preferences/com.apple.loginwindow LoginwindowText "Your text"
+```
+
+### Memory Management
+
+#### Purge memory cache
+```bash
+sudo purge
+```
+
+#### Show Memory Statistics
+```bash
+# One time
+vm_stat
+
+# Table of data, repeat 10 times total, 1 second wait between each poll
+vm_stat -c 10 1
+```
+
+### Notification Center
+
+#### Notification Center Service
+```bash
+# Disable
+launchctl unload -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist && \
+killall -9 NotificationCenter
+
+# Enable (Default)
+launchctl load -w /System/Library/LaunchAgents/com.apple.notificationcenterui.plist
+```
+
+### QuickLook
+
+#### Preview via QuickLook
+```bash
+qlmanage -p /path/to/file
+```
+
+### Root User
+
+```bash
+# Enable
+dsenableroot
+
+# Disable
+dsenableroot -d
+```
+
+### Safe Mode Boot
+
+```bash
+# Status
+nvram boot-args
+
+# Enable
+sudo nvram boot-args="-x"
+
+# Disable
+sudo nvram boot-args=""
+```
+
+### Screenshots
+
+#### Take Delayed Screenshot
+Takes a screenshot as JPEG after 3 seconds and displays in Preview.
+```bash
+screencapture -T 3 -t jpg -P delayedpic.jpg
+```
+
+#### Save Screenshots to Given Location
+Sets location to `~/Desktop`.
+```bash
+defaults write com.apple.screencapture location ~/Desktop && \
+killall SystemUIServer
+```
+
+#### Save Screenshots in Given Format
+Sets format to `png`. Other options are `bmp`, `gif`, `jpg`, `jpeg`, `pdf`, `tiff`.
+```bash
+defaults write com.apple.screencapture type -string "png"
+```
+
+#### Disable Shadow in Screenshots
+```bash
+defaults write com.apple.screencapture disable-shadow -bool true && \
+killall SystemUIServer
+```
+
+#### Set Default Screenshot Name
+Date and time remain unchanged.
+```bash
+defaults write com.apple.screencapture name "Example name" && \
+killall SystemUIServer
+```
+
+### Software Installation
+
+#### Install PKG
+```bash
+installer -pkg /path/to/installer.pkg -target /
+```
+
+### Software Update
+
+#### Install All Available Software Updates
+```bash
+sudo softwareupdate -ia
+```
+
+#### Set Software Update Check Interval
+Set to check daily instead of weekly.
+```bash
+defaults write com.apple.SoftwareUpdate ScheduleFrequency -int 1
+```
+
+#### Show Available Software Updates
+```bash
+sudo softwareupdate -l
+```
+
+#### Set Software Update Server
+This should only be done for testing purposes or unmanaged clients. To use network-wide, either correctly set up DNS along with [Apple SUS service](http://krypted.com/mac-security/using-the-software-update-service-on-mountain-lion-server/) and bind your clients via OpenDirectory. Alternatively, use [Reposado](https://github.com/wdas/reposado) together with correct network DNS settings to make resolution transparent. [Margarita](https://github.com/jessepeterson/margarita) looks nice to have as well.
+```bash
+# Use own SUS
+sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate CatalogURL http://su.example.com:8088/index.sucatalog
+
+# Reset to Apple SUS
+sudo defaults delete /Library/Preferences/com.apple.SoftwareUpdate CatalogURL
+```
+
+### Spotlight
+
+#### Spotlight Indexing
+```bash
+# Disable
+mdutil -i off -d /path/to/volume
+
+# Enable (Default)
+mdutil -i on /path/to/volume
+```
+
+#### Erase Spotlight Index and Rebuild
+```bash
+mdutil -E /path/to/volume
+```
+
+#### Search via Spotlight
+```bash
+mdfind -name 'searchterm'
+```
+
+### System Integrity Protection
+
+#### Disable System Integrity Protection
+Reboot while holding Cmd + R, open the Terminal application and enter:
+```bash
+csrutil disable && reboot
+```
+
+#### Enable System Integrity Protection
+Reboot while holding Cmd + R, open the Terminal application and enter:
+```bash
+csrutil enable && reboot
+```
+
+
+## Terminal
+
+#### Ring Terminal Bell
+Rings the terminal bell (if enabled) and puts a badge on it.
+```bash
+tput bel
+```
+
+### Alternative Terminals
+
+- [iTerm 2](https://iterm2.com) - A better Terminal.app.
+- [TotalTerminal](http://totalterminal.binaryage.com) - A system-wide terminal available on a hot-key.
+
+### Shells
+
+#### Bash
+Install the latest version and set as current users' default shell:
+```bash
+brew install bash && \
+sudo echo $(brew --prefix)/bin/bash >> /etc/shells && \
+chsh -s $(brew --prefix)/bin/bash
+```
+
+- [Homepage](https://www.gnu.org/software/bash/) - The default shell for OS X and most other Unix-based operating systems.
+
+#### fish
+Install the latest version and set as current users' default shell:
+```bash
+brew install fish && \
+chsh -s $(brew --prefix)/bin/fish
+```
+
+- [Homepage](http://fishshell.com) - A smart and user-friendly command line
+shell for OS X, Linux, and the rest of the family.
+- [The Fishshell Framework](https://github.com/oh-my-fish/oh-my-fish) - Provides core infrastructure to allow you to install packages which extend or modify the look of your shell.
+
+#### Zsh
+Install the latest version and set as current users' default shell:
+```bash
+brew install zsh && \
+sudo sh -c 'echo $(brew --prefix)/bin/zsh >> /etc/shells' && \
+chsh -s $(brew --prefix)/bin/zsh
+```
+
+- [Homepage](http://www.zsh.org) - Zsh is a shell designed for interactive use, although it is also a powerful scripting language.
+- [Oh My Zsh](http://ohmyz.sh) - An open source, community-driven framework for managing your Zsh configuration.
+- [Prezto](https://github.com/sorin-ionescu/prezto) - A speedy Zsh framework. Enriches the command line interface environment with sane defaults, aliases, functions, auto completion, and prompt themes.
+- [zgen](https://github.com/tarjoilija/zgen) - Another open source framework for managing your zsh configuration. Zgen will load oh-my-zsh compatible plugins and themes and has the advantage of both being faster and automatically cloning any plugins used in your configuration for you.
+
+### Terminal Fonts
+
+- [Anonymous Pro](http://www.marksimonson.com/fonts/view/anonymous-pro) - A family of four fixed-width fonts designed with coding in mind.
+- [DejaVu Sans Mono](http://dejavu-fonts.org/wiki/Main_Page) - A font family based on the Vera Fonts.
+- [Hack](http://sourcefoundry.org/hack/) - Hack is hand groomed and optically balanced to be your go-to code face.
+- [Inconsolata](http://levien.com/type/myfonts/inconsolata.html) - A monospace font, designed for code listings and the like.
+- [Input](http://input.fontbureau.com) - A flexible system of fonts designed specifically for code.
+- [Meslo](https://github.com/andreberg/Meslo-Font) - Customized version of Apple's Menlo font.
+- [Powerline Fonts](https://github.com/powerline/fonts) - Repo of patched fonts for the Powerline plugin.
+- [Source Code Pro](https://adobe-fonts.github.io/source-code-pro/) - A monospaced font family for user interfaces and coding environments.
+
+
+## License
+
+
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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