macOS cheatsheet

Clipboard

Put some test in to the clipboard

echo "text to copy" | pbcopy

Copy output of the command to the clipboard

whoami | pbcopy

Copy file to the clipboard from the terminal

pbcopy < ~/path/to/file

Paste from clipboard

pbpaste

Put contents of the clipboard to a file

pbpaste > file-name.txt

Execute clipboard contents in a shell

pbpaste | zsh

Sort content of the clipboard, remove duplicate lines

pbpaste | sort -u | pbcopy

Application entitlements

Check application entitlements

codesign -d -vv --entitlements - /Applications/Your-Application.app

Open application from terminal

open -a Notes

Open new instance of the application, even if the app is already running

open -n -a Notes

Open new “fresh” instance - without restoring the state

open -F -n -a Safari

Open file in TextEdit

open -e file.txt

Open finder in current working directory

open .

Reveal the file in Finder instead of opening

open -R test.txt

Open the application hidden

open -a TextEdit -j

Do not bring the application to foreground

open -a TextEdit -g

Open the URL with default app

open -u smb://127.0.0.1

Write output of the command to temp file and open it in default text editor

 ls / | open -f

Open a web browser

Open web page in default browser

open https://example.com

Open web page in Safari from terminal

open -a Safari https://example.com

Open file in Safari

open -a Safari file:///Users/user/Downloads/test.html

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Additional arguments

• --args - pass remaining arguments to the opened application
• --env VAR - add the variable to the environment of the application
• --stdin PATH - open app with stdin set to PATH
• --stdout PATH - open app with stdout set to PATH
• --stderr PATH - open app with stderr set to PATH

List users

dscl . -ls Users

Check user password

dscl . -authonly USER [PASSWORD]

Check system proxy for “Wi-Fi” adapter

networksetup -getautoproxyurl "Wi-Fi"

Listening ports

Show listening ports

netstat -na | grep -i listen

with lsof

lsof -nP | grep LISTEN

Show all files in Finder

defaults write com.apple.finder AppleShowAllFiles TRUE
killall Finder

Hide desktop icons

defaults write com.apple.finder CreateDesktop -bool false
killall Finder

List attributes

List file attributes

xattr -l /path/to/file

List file attributes recursively in current working directory

xattr -lr .

Remove attributes

Remove quarantine from the file

xattr -d com.apple.quarantine /path/to/file

Remove the location where the file was downloaded from

xattr -d com.apple.metadata:kMDItemWhereFroms /path/to/file

Remove all attributes

xattr -c /path/to/file

Spotlight search

mdfind -name .pdf

Limit the scope of the search to specified directory

mdfind -onlyin ~/Documents -name .pdf

mdfind image -onlyin ~/Documents

Print total number of matches

mdfind .pdf -onlyin ~/Documents -count

Disable/enable spotlight

Disable the index

mdutil -i off /

Enable the index

mdutil -i on /

Erase the current Spotlight index

mdutil -E /

Get host name

scutil --get HostName

Get local host name

scutil --get LocalHostName

Get computer name

scutil --get ComputerName

Change comupter name

Set fully qualified hostname

sudo scutil --set HostName new-host.name.com

Local host name (Bonjour hostname)

sudo scutil --set LocalHostName new-host

Set computer name

sudo scutil --set ComputerName new-host

Execute AppleScript

echo 'do shell script "whoami"' | osascript

Execute JavaScript code

echo '...' | osascript -l JavaScript

Compile script to .app file

osacompile -o test.app script.txt

Compile JavaScript code

osacompile -l JavaScript -o test.app -s test.js

Display notification

osascript -e 'display notification "Hello world" with title "Hello"'

Beep

osascript -e 'beep'

Multiple beeps

osascript -e 'beep 5'

Volume

Change volume

osascript -e "set volume output volume 50"

Mute

osascript -e 'set volume output muted true'

osascript -e "set volume with output muted"

Unmute

osascript -e 'set volume output muted false'

osascript -e "set volume without output muted"

Say with default voice

say 'hello world'

Specify voice

say -v Wobble 'hello'

Pass text to Say

echo 'hello' | say

Read text from input file

say -f input.txt

Run Say in interactive mode

say -i

File Vault

FileVault status

fdesetup status

List FileVault enabled accounts

fdesetup list

Disable user from FileVault enabled accounts

fdesetup remove -user USERNAME

Encrypted dmg volumes

Mount encrypted dmg:

hdiutil attach file_name.dmg

Create an encrypted volume:

hdiutil create -encryption AES-256 -fs HFS+ -size 1g  encrypted.dmg

Build .pkg file with pre/post install scripts only

pkgbuild --identifier com.example --nopayload --scripts ./example-package/scripts ./simple.pkg

Options:

• --auth - values: root or none
• --install-location - installation location
• --info PackageInfo - use PackageInfo file

Get info about binary file

lipo -info fileName

Detailed information

lipo -detailed_info fileName

List binary architectures

lipo -archs fileName

Create “fat” binary for multiple architectures

lipo -create fileName-arm.bin fileName-amd64.bin -output fileName

Extract given architecture to a separate universal file

lipo -extract arm64 fileName -output fileName.arm64

Remove given architecture from universal file

lipo -remove arm64 fileName -output fileName2

Create a thin output file

lipo -thin arm64 fileName -output fileName.arm64

Read plist files

Read plist file in human-readable form

plutil -p /path/to/file.plist

Read plist file, convert it to xml and display to the console

plutil -convert xml1 -o - /path/to/file.plist

Examples

List what apps user has in the dock

plutil -p ~/Library/Preferences/com.apple.dock.plist

List recently accessed files

plutil -p ~/Library/Preferences/com.apple.finder.plist

Display macOS version information

plutil -p /System/Library/CoreServices/SystemVersion.plist

Create

Create an empty plist file in XML format

plutil -create xml1 file.plist

Check plist file syntax

plutil -lint file.plist

Example plist for launch agent

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>Label</key>
    <string>com.test</string>
    <key>ProgramArguments</key>
    <array>
      <string>touch</string>
      <string>/tmp/test</string>
    </array>
    <key>RunAtLoad</key>
    <true/>
  </dict>
</plist>

Copy .plist file to ~/Library/LaunchAgents/com.test.plist

cp test.plist ~/Library/LaunchAgents/com.test.plist

load launch agent

launchctl load ~/Library/LaunchAgents/com.test.plist