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Here's how to use Mac Recovery mode. Try Get Backup Pro & Chronosync Express@ https://setapp.sjv.io/c/376211/343321/5114.

i. Entering recovery mode on a Mac running macOS Catalina is a straightforward process. Recovery mode allows you to troubleshoot issues, reinstall macOS, restore from a Time Machine backup, and perform other maintenance tasks. Here's how you can access recovery mode:

1. **Shut Down Your Mac:**
Make sure your Mac is turned off completely.

2. **Start Your Mac in Recovery Mode:**
- Press the power button to turn on your Mac.
- Immediately hold down the `Command (⌘)` and `R` keys simultaneously.
- Keep holding them down until you see the Apple logo or a spinning globe. This indicates that your Mac is starting in Recovery Mode.

3. **Access Utilities:**
Once the macOS Utilities window appears, you are in Recovery Mode. Here, you'll see a menu with options such as "Restore from Time Machine Backup," "Reinstall macOS," and "Disk Utility."

4. **Perform Tasks:**
- **Restore from Time Machine Backup:** If you have a Time Machine backup, you can use this option to restore your system to a previous state.
- **Reinstall macOS:** This option allows you to reinstall the operating system without affecting your personal files.
- **Disk Utility:** Use Disk Utility to repair or erase disks, as well as manage partitions.

5. **Exit Recovery Mode:**
To exit Recovery Mode, you can restart your Mac by selecting the Apple logo in the top-left corner and choosing "Restart" from the menu.

Remember that while in Recovery Mode, your Mac is running off a separate partition on your startup drive. If you encounter any issues that prevent your Mac from starting up normally, Recovery Mode is a useful place to perform troubleshooting and maintenance tasks.

ii. To enter Recovery Mode on a 2020 MacBook Air (or any Intel-based Mac), follow these steps:

1. **Shut Down Your MacBook Air:**
Make sure your MacBook Air is turned off completely.

2. **Start Your MacBook Air in Recovery Mode:**
- Press the power button to turn on your MacBook Air.
- Immediately hold down the `Command (⌘)` and `R` keys simultaneously.

3. **Continue Holding the Keys:**
Keep holding down the `Command (⌘)` and `R` keys until you see the Apple logo or a spinning globe. This indicates that your MacBook Air is starting in Recovery Mode.

4. **Access Utilities:**
Once the macOS Utilities window appears, you are in Recovery Mode. Here, you'll see a menu with options such as "Restore from Time Machine Backup," "Reinstall macOS," and "Disk Utility."

5. **Perform Tasks:**
- **Restore from Time Machine Backup:** If you have a Time Machine backup, you can use this option to restore your system to a previous state.
- **Reinstall macOS:** This option allows you to reinstall the operating system without affecting your personal files.
- **Disk Utility:** Use Disk Utility to repair or erase disks, as well as manage partitions.

6. **Exit Recovery Mode:**
To exit Recovery Mode, you can restart your MacBook Air by selecting the Apple logo in the top-left corner and choosing "Restart" from the menu.

Please note that the steps mentioned above are for Intel-based Macs, and the process may be different for Macs with Apple Silicon (like the M1 chip).

iii. When you're in Recovery Mode on a Mac, you have access to a limited set of tools and utilities, including Terminal. Here are some basic Terminal commands you might find useful in Recovery Mode:

1. **View Disk Information:**
```
diskutil list
```
This command displays a list of connected disks and their partitions.

2. **Repair Disk:**
```
diskutil repairVolume /Volumes/YourVolumeName
```
Replace "YourVolumeName" with the name of the volume you want to repair.

3. **Unmount a Volume:**
```
diskutil unmount /Volumes/YourVolumeName
```
This command unmounts a specified volume. Replace "YourVolumeName" with the name of the volume.

4. **Mount a Volume:**
```
diskutil mount /Volumes/YourVolumeName
```
This command mounts a specified volume. Replace "YourVolumeName" with the name of the volume.

5. **Check File System:**
```
fsck -fy
```
This command checks and repairs the file system.

6. **Reset Password:**
If you need to reset your user account password, you can use the following command:
```
resetpassword
```

7. **Change Directory:**
```
cd /path/to/directory
```
This command changes the current directory to the specified path.

8. **List Files in a Directory:**
```
ls
```
Use this command to list the files in the current directory.

Remember that in Recovery Mode, the macOS volume might be mounted at a different path than usual. Typically, you'll find it at `/Volumes/Macintosh HD`, but it may vary based on your system.

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