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Raspberry Pi OS is a Unix-like operating system based on the Debian Linux distribution for the Raspberry Pi family of compact single-board computers. Raspbian was developed independently in 2012, became the primary operating system for these boards since 2013, was originally optimized for the Raspberry Pi 1 and distributed by the Raspberry Pi Foundation. [3]
Das U-Boot (subtitled "the Universal Boot Loader" and often shortened to U-Boot; see History for more about the name) is an open-source boot loader used in embedded devices to perform various low-level hardware initialization tasks and boot the device's operating system kernel.
GPL-2.0-only: FreeLoader (ReactOS Boot Loader) GPL-2.0-or-later: No cost: Documentation: wolfBoot wolfSSL: v2.0.2 December 4, 2018: 16 April 2024: GPL-2.0-or-later and Commercial Licensing No cost: Official website: Name Developer / Publisher Current version Initial release date Latest release date License Cost Website / documentation
GNU GRUB, a popular open source bootloader Windows Boot Manager. A bootloader, also spelled as boot loader [1] [2] or called bootstrap loader, is a computer program that is responsible for booting a computer. If it also provides an interactive menu with multiple boot choices then it's often called a boot manager. [2]
[4] [5] After being loaded into RAM, the bootloader (also called first-stage bootloader or primary bootloader) will execute to load the second-stage bootloader [2] (also called secondary bootloader). [6] The second-stage bootloader will load the kernel image into memory, decompress and initialize it, and then pass control to this kernel image. [2]
System memory is one of the mapping options, another would typically be main firmware in flash. In this case, firmware is supposed to do all the jobs boot ROMs do; part of the firmware could act as a bootloader similar to ST's boot ROM. Hardware could provide read-only enforcement on the boot area, turning it into a user-provided version of ...
The Raspberry Pi 4 is available with 1, 2, 4 or 8 GB of RAM. [99] A 1 GB model was originally available at launch in June 2019 but was discontinued in March 2020, [57] and the 8 GB model was introduced in May 2020. [100] The 1 GB model returned in October 2021. [58] The Raspberry Pi 5 is available with 2, 4, 8 or 16 GB of RAM. [101]
Support for running Raspberry Pi in 4K@60Hz; ... 4.2 30 August 2015 [190] 4.2.8 [191] December ... The jump from 2.6.x to 3.x wasn't because of a breaking update, but ...