A universal binary is, in Apple parlance, an executable file or application bundle that runs natively on PowerPC or x86 (Intel)-based Macintosh computers, but is an implementation of the general concept known as a binary fat.
With the release of Mac OS X Snow Leopard and the move to 64-bit architecture, can also mean a Universal application that runs natively on i386 (Intel 32-bit) and x86_64 systems.
The universal binary format was introduced in 2005 Apple Worldwide Developers Conference as a means to facilitate the transition from the current PowerPC architecture to Intel processor-based systems, which began shipping in 2006. Universal binaries typically include both PowerPC and x86 versions of a compiled application. The operating system detects a universal binary by its header, and executes the corresponding section of the architecture in use. This allows the application to run natively on any supported architecture, without affecting the negative performance beyond an increase in the storage space occupied by the binary large.
If a user has installed software that is capable of running on both Power PC and Intel platforms, which sells universal binaries. If you're using Intel are then the binaries for PowerPC are simply useless files for you. These files simply eating hard drive space and make the system slow.
Therefore, always delete these binaries suggesed used. Many Mac utilities come to eliminate universal binaries. Stellar velocity Mac is an application to remove unused data from Mac hard drive. This software Mac Performas five tasks:
Delete Duplicate Files
Delete language files
Deleting large files
Delete cache and temporary files Remove universal binaries
Feature mac speed is also applicable to remove unused applications running on Mac background rate and delay systems.
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