"help" output too much for my screen

[Simon Glass]

Hi Brian,

On Fri, 15 Nov 2024 at 15:35, Brian Sammon <u-boot at brisammon.fastmail.fm> wrote:
>
> I recently upgraded the u-boot on my Pinebook Pro, and lo and behold!, the new version supports the built-in display.
>
> So, now I'm experimenting.  I hit the any key to stop the autoboot, and I get the command prompt.  I type "help", and a large quantity of information spews out to my screen, faster than I can read it, and scrolls off the top.
>
> So, this prompts a few questions:
> 1) is there a paginator, so I can do "help | more" or something like that?

Not that I know of. I suspect something could be implemented, if you are keen.

> 2) is there a scroll-back buffer, so I can do something like "Ctrl-Alt-PageUp" to view stuff that scrolled off the top of the screen?

Not on a real board. If you use sandbox, you can do that, though[1]

> 3) Is there a website that lists (and documents) the commands available at the command prompt?

Yes at [2]. I'm not sure what proportion are documented overall, but
perhaps close to half of the non-board-specific ones are.

Regards,
Simon

[1] https://docs.u-boot.org/en/latest/arch/sandbox/sandbox.html
[2] https://docs.u-boot.org/en/latest/usage/index.html