Talk:Booting

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The FreeBSD Booting Process[edit]

Loading a kernel
Determine the root filesystem
Initialize user-land things
Interesting combinations

— Preceding unsigned comment added by Keyvan amel (talkcontribs) 10:50, 7 July 2006‎

Difference between first-stage and second-stage bootloaders?[edit]

The explanation in the article is long-winded, yet insufficient. It spends a lot of time describing what the bootloader does, but there isn't a clear definition of "first-stage bootloaders do X, second-stage bootloaders do Y."

So what is the difference? Is it the size of the code that's run? In that case GRUB contains a first stage (and sometimes a 1.5 stage). Is it whether it's started by the system's ROM or BIOS? In that case again, GRUB is both first- and second-stage. Is it whether it has an interactive menu? In that case, U-Boot is second-stage.

The whole "Modern boot loaders" section needs some attention. The explanation of the boot process is decent (but needs more references, and needs revising or updating in places like "Typical modern personal computers boot in about one minute, of which about 15 seconds are taken by a power-on self-test (POST) and a preliminary boot loader, and the rest by loading the operating system and other software"; although its details also overlap somewhat with the next section, "Personal computers (PC)"). The explanation of the general boot process and details of it should be separated from this whole "first-stage vs second-stage" concept, which needs its own clear definitions and explanations. Relatedly, it's not clear how first- and second-stage is distinct from a secondary program loader, later in the article. --Bigpeteb (talk) 15:04, 6 July 2016 (UTC)

What about booting in C mango (talk) 08:43, 13 January 2017 (UTC)

Booting in what? Guy Harris (talk) 09:02, 13 January 2017 (UTC)

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Dead links fixed, archived versions of other links work. Guy Harris (talk) 02:47, 6 November 2016 (UTC)

Problems with Booting#Integrated circuit read-only memory era[edit]

Booting#Integrated circuit read-only memory era has several problems. First, older technologies such as CROS and TROS already allowed computers to be shipped with code.

Second, there was nothing revolutionary with semiconductor ROM. The revolutionary change was the transition from ROM to various forms of stable field-programmable non-volatile memories, e.g., EPROM, EEPROM, Flash memory. Shmuel (Seymour J.) Metz Username:Chatul (talk) 20:14, 22 November 2016 (UTC)