Backup methodology

- [Instructor] There are a number of different methods…that we can use when it comes to backing up data.…And, the main difference between…these different methods has to do with…how we handle a specific property of each file,…which is known as the archive bit.…Now the archive bit is used to communicate…with a backup system to tell it…whether the file has changed since the last backup or not.…Okay, so when a backup is performed,…typically this archive bit is reset or cleared,…or sometimes called zeroed out to say,…oh it's been backed up.…

And when a change occurs to the file,…it activates the archive bit, or turns into a one…to tell the backup system, hey this file has changed.…And the idea is to help avoid needlessly…backing up a file that's already been backed up.…So let's go over a few of the different…backup types that we have out there.…One is called a full, or sometimes called a normal backup.…Now with this full backup,…everything is backed up regardless of the archive bit.…

Okay, so when you designate that we're going to do…