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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
What is safe sleep on Mac?
Some portable Mac computers have a feature called safe sleep. With safe sleep, each time the Mac goes to sleep, the current state of the Mac is saved, including open apps and open documents. Safe sleep prevents your information from being lost if the Mac is completely shut down during sleep, which could occur if the battery runs down or is replaced.
If your Mac needs to access the saved state when it wakes up, a progress bar appears until your Mac is ready to use.
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