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macOS User Guide
- Welcome
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- Use Continuity across your devices
- Use your iPad as a second display
- Hand off between devices
- Insert photos and scans from iPhone or iPad
- Insert sketches from iPhone or iPad
- Copy and paste between devices
- Use Apple Watch to unlock your Mac and approve requests
- Make and receive phone calls on your Mac
- Control accessories in your home
- Send files between devices with AirDrop
- Use AirPods with your Mac
- Stream content to Apple TV
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- Understand passwords
- Use keychains to store passwords
- Reset your Mac login password
- Set up your Mac to be secure
- Guard your privacy
- Protect your Mac from malware
- Use Sign in with Apple for apps and websites
- Clear your Safari browsing history
- Manage cookies and other website data in Safari
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
Trace network traffic paths using Network Utility on Mac
Messages you send across the internet usually pass through other computers on the way to their final destination.
Use Network Utility to follow the path a message takes as it travels through the network from computer to computer.
On your Mac, open the Network Utility app , located in the /System/Library/CoreServices/Applications folder.
Click Traceroute.
Type the domain name or IP address of the final destination and click the Trace button.
For help interpreting the results or to see how you can use the underlying traceroute command to fine-tune your troubleshooting, open Terminal (in Applications > Utilities), then type man traceroute at the command line.
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