What does backup mean?
A backup is a copy of your files that you can restore if something happens to the original files. For example, if your computer crashes, you can restore the backup to get your files back.
There are two types of backups: full and incremental. A full backup copies all of your files, while an incremental backup only copies the files that have changed since the last backup.
Backups are an important part of data security. They …