dumppef Documentation - description of what is in a PEF file, such as allowed sections the string table.

Mac OS Runtime Architectures For System 7 Through Mac OS 9 - PDF from (see chapter 8, PEF Structure).

PEF Structure - documentation at via.

However, PEF was still supported on PowerPC-based Macintoshes running Mac OS X and was used by some Carbon applications ported from earlier versions for classic Mac OS, so that the same binary could be run on classic Mac OS and Mac OS X.īeOS on PowerPC systems also uses PEF, although x86 systems do not. In macOS, the Mach-O file format is the native executable format. Click on ' Install Windows or another OS from DVD or image file '.

PEF was developed by Apple Computer for use in its classic Mac OS operating system. Open up your Mac's Application folder and double-click on the 'Parallels' icon (you have to do this to install Windows). PEF executables are also called Code Fragment Manager files (CFM). The Preferred Executable Format is a file format that specifies the format of executable files and other object code. Preferred Executable Format Uniform Type Identifier (UTI)

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