Full, incremental, differential or bit backup — what’s the difference?
Full backups are the easiest to explain, but the least used option. For each file in the backup set, every part of the file on your computer is sent to the Zipup Backup servers at the Midwest Data Center each time a backup is scheduled, whether they have changed or not. Note: This sounds like a desirable choice until you realize that this will very quickly fill up your space quota with identical copies of the same file! Incremental backups back up only those files that have changed since your last backup. After they are backed up, the files will be marked (using the “archive bit”) on your computer as having been backed up. This is the default and most widely used way to back up your files. Differential backups back up only those files that have changed since your last backup just like incremental. But the files are not marked as being backed up. This can be used when both remote backup and tape backup are part of your file protection strategy. Bit backup is especially useful for very l
