Disc spanning is a feature that splits files to fill two or more CDs or DVDs, making it easier to burn to multiple media. It’s a common feature but not included in all burning programs. It divides files into groups and may divide large files into sections. Its purpose is to make burning easier for the user, but it doesn’t always guarantee correct burning.
Disc spanning is a feature used with compact disc (CD) and digital video disc (DVD) burning where files are separated to automatically fill two or more media. If there is a file that is too large to fit on one medium, the disc extension will split the file so that it can be burned on multiple media. While this feature is common and may come pre-installed on many operating systems (OS) and their native burning programs, it is not included in all burning programs. This feature is intended as a convenience for users, who would otherwise have to split files manually.
When someone is burning files to external storage media, the media sometimes does not have enough space to hold all the files. This means that two or more media must be used, and disc spanning makes it easier to burn to multiple media. It divides files into groups and each group is burned to one medium. Groups are often made to be as large as possible, so less media is needed overall.
The files to be burned are often small, which means that many can fit on a single external medium. This isn’t always true, though; the user may want to burn a file that is too large to fit on a single CD or DVD. In this case, the disk extension can divide the file into sections, with each section being able to fit on one medium. Although common, sectioning is not a feature included in all burning programs.
Disc spanning makes burning lots of files much easier, so it’s a common feature included in many burning programs. It may also be included in the native burning program on an operating system or in the program that came with the operating system. At the same time, some burning programs lack this feature.
The purpose of disc extension is to make burning much easier for the user. Without this feature, a user would typically have to group files manually. This means that he would have to check each file for its size to make sure the group would fit on a single medium, or he might have to condense a large file into sections without the help of disk extension. At the same time, this feature doesn’t always guarantee that files will be burned correctly; sometimes only the first medium burns correctly, while the others have information that ends up corrupted.
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