4 Best Linux Boot Loaders When you turn on your machine, immediately after POST ( Power On Self Test ) is completed successfully, the BIOS locates the configured bootable media, and reads some instructions from the master boot record ( MBR ) or GUID partition table which is the first 512 bytes of the bootable media. The MBR contains two important sets of information, one is the boot loader and two, the partition table. What is a Boot Loader? A boot loader is a small program stored in the MBR or GUID partition table that helps to load an operating system into memory. Without a boot loader, your operating system can not be loaded into memory. There are several boot loaders we can install together with Linux on our systems and in this article, we shall briefly talk about a handful of the best Linux boot loaders to work with. 1. GNU GRUB GNU GRUB is a popular and probably the most used multiboot Linux boot loader available, based on the original GRUB ( ...
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