You can set up a shared folder on a Mac that other Mac computers can use as a Time Machine backup destination. The folder must be located on an Apple File System (APFS) volume and shared using the SMB protocol.

Set up a shared Time Machine backup folder

1. On your Mac, choose Apple menu  > System Preferences, then click Sharing.

2. Select the File Sharing tickbox.

3. Click Options, make sure “Share files and folders using SMB” is selected, then click Done.

4. Click the Add button + at the bottom of the Shared Folders list.

5. Navigate to and select the folder you want to use for sharing, then click Add.

6. Control-click the name of the folder, then choose Advanced Options.

7. Make sure SMB is selected in the “Share over” pop-up menu.

   **Important: **You can’t use Apple Filing Protocol (AFP) to share a Time Machine backup destination.

8. Select “Share as a Time Machine backup destination”.

9. If desired, select “Limit backups to”, then enter a size.

10. Click OK.

Studying can be hard work, and sometimes all that work makes you tired. But it's important to study hard if you want to be successful and get good grades in school. To stay awake while you're studying, eat healthy foods, stay hydrated, and have a small amount of caffeine if you'd like. You can also try other methods, like napping or exercising to stay alert, and create a study routine that will help you focus.

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