And the results are dangerous for consumers and innovators alike. A Hackintosh is a type of non-Apple computer designed to run unauthorized versions of macOS. The name is a portmanteau of the words "hack" and Macintosh, the brand name of laptop and desktop computers made by Apple, Inc. Hackintosh laptops are sometimes referred to as Hackbooks. No license is granted or shall be implied for any other use. Additional information may be obtained from MPEG LA, L.L.C. The bootloader behaves like the Linux kernel: one can use an mboot-compatible (a patched syslinux was used for the hack) bootloader that tells boot-dfe about the.img file (the ramdisk or initrd, as it's known by Linux users), and boot-dfe will then use the kexts (or mkext) from it. This new boot-dfe has been tested with the retail Leopard DVD, and it can boot, install, run Leopard without having to build a modified DVD. trademark registration is the letter R inside a circle: ®, Reg. Many firms use informal trademark notices, such as Brand, TM, Trademark, SM, or Service Mark, adjacent to words or other symbols considered to be protectable marks.