Mac 卸载默认应用

1. Restart your Mac and press Command+R key shortcut while the reboot is in progress.

2. You will see an unusual startup window – this is the recovery mode. In the Menu bar click Utilities → Terminal.

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3. Type in Terminal the next command: csrutil disable

4. Press the Return key. You will see that your System Integrity Protection is disabled.

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5. Restart your Mac.

6. Login to your system through your admin account. You can remove default apps only if you have administrator rights. However, if you have already signed into the user account, you can use a special command right in the Terminal to re-login.

7. So launch Terminal.

8. Mount the /System/Applications folder to have Read & Write permission. For this, use the following command: sudo mount -uw / System / Applications
   *If you signed into the user account, first use this command to re-login:
   login
   [admin username=””][/admin] → enter the password → and then mount the folder.

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9. Then type the command cd /Applications/ and click the Return button. The application directory will be shown.

admin account

11. Now you can start deleting applications using Terminal. To remove apps with Terminal, use the command

sudo rm -rf

**Please be careful: **when you remove items via Terminal, the system does not ask for confirmation. Each application has its own command:

• Safari: sudo rm -rf Safari.app/
• Mail: sudo rm -rf Mail.app/
• FaceTime: sudo rm -rf FaceTime.app/
• QuickTime: sudo rm -rf QuickTime\ Player.app/
• Notes: sudo rm -rf Stickies.app/
• Chess: sudo rm -rf Chess.app/
• Photo: sudo rm -rf Photo\ Booth.app/
• ITunes: sudo rm -rf iTunes.app/

Important:

After you have deleted the apps, don’t forget to enable back the System Integrity Protection in order to not remove other important apps by mistake. For this, again restart your Mac → use Command+R shortcut → open Terminal and this time type the command *csrutil enable. *Then restart the Mac.

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Note: 参考文档来源：https://nektony.com/how-to/uninstall-default-apple-apps-on-mac