Snapshot
1. What is a snapshot
When made a mistake irreversible, it can be used to recover a system snapshot
2. Create a snapshot of three modes
Under state to create a snapshot mount
Create a snapshot of the boot state
Creating a snapshot shutdown state
3. How to create, use Snapshot
Creation process:
1. Click on the icon
2. Click to take a snapshot, write your own name and description, then click to take a snapshot
3. there will be more of a snapshot of the newly created
4. Use a snapshot, select the snapshot was created first click, and then click Go To, and will jump to the location of the snapshot to save time.
Then click on that, it will switch over
