UDIF

UDIF, or Universal Disk Image Format, is a file format used to store disk images, which are exact copies of the data on a storage device. It was developed by Apple Inc. and is commonly used for creating and distributing disk images of macOS system installations, software updates, and other data. UDIF files are typically compressed using algorithms such as zlib or bzip2 to reduce their size, making them more manageable for distribution and storage.

The UDIF format supports various features, including the ability to store multiple partitions within a single file, sparse images (which only allocate space as needed), and encrypted images for added security. This flexibility makes UDIF a versatile choice for a wide range of applications, from software distribution to data backup and recovery.

UDIF files are often used in conjunction with the Disk Utility application on macOS, which provides tools for creating, converting, and mounting UDIF disk images. The format is also supported by various third-party tools and software, ensuring broad compatibility across different platforms and systems.

In summary, UDIF is a robust and versatile file format for storing and distributing disk images, offering features such as compression, encryption, and support for multiple partitions. Its widespread use and compatibility make it a valuable tool for both technical users and developers.