Bochs
what-happens-when
| Bochs | what-happens-when | |
|---|---|---|
| 4 | 76 | |
| 734 | 38,967 | |
| 9.5% | - | |
| 9.7 | 0.0 | |
| 4 days ago | 1 day ago | |
| C++ | ||
| GNU Lesser General Public License v3.0 only | - |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Bochs
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Ask HN: Where can I find a primer on how computers boot?
The following is a pretty decent historical page about the pre-(U)EFI MBR (Master Boot Record) boot process:
https://thestarman.pcministry.com/asm/mbr/STDMBR.htm
Note that EFI/UEFI -- occurred much later in time than MBR...
Related: https://en.wikipedia.org/wiki/Master_boot_record
You might also wish to check out some emulators, most notably Bochs (https://bochs.sourceforge.io/) and QEMU (https://www.qemu.org/) because they simulate the boot process, and if you're in their debuggers, you should be able to inspect that process step by step -- but also more generally emulators for other machines/platforms/architectures (https://en.wikipedia.org/wiki/List_of_computer_system_emulat...) -- because in general, most of those emulators should simulate the given machine/platform/architecture's boot process...
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Can anyone recommend some good free tools for programming, debugging, and virtualization on Ubuntu?
With both of those you can make some really nice DOS programs. Which you can then run in bochs (not virtualized, but an emulator. Close enough :) ).
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80286 ROM BIOS - open-source code base?
Just took a look myself, check this out:
what-happens-when
- What-Happens-When: An attempt to answer an age-old interview question
- What Happens When
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We have used too many levels of abstractions and now the future looks bleak
Agreed!
It reminds me of:
https://github.com/alex/what-happens-when
and how many of today’s CS-degree holders would barely understand any of it. As someone who has also “grown up with all the technology”, I’ve learned and experienced all that. But as a percentage of “software engineers”, there’s fewer and fewer that do every day.
- Step-by-step events when Browsing www.facebook.com after computer bootup.
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I just blew my interview!
There is a pretty comprehensive answer to number 2 here
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Are you skeptical about candidates that call themselves a "10x engineer"?
Ask them to describe what happens when you visit a website and grill them on every layer of abstraction, every implementation detail.
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You and me Anon, you and me
This is a classic interview question and it basically means "How does internet work?" It is great because it allows to check how many levels of understanding it a developer has. The answer may be quite lengthy, for example: https://github.com/alex/what-happens-when
- Any course that actually teaches me how a website is built?
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I have a question about subdomains and their DNS resolution
Perhaps you will find https://github.com/alex/what-happens-when useful.
- Tried and true interview questions/tasks
What are some alternatives?
TinyBIOS - A mirror of TinyBIOS repository
tianocore
Essentials-of-Compilation - A book about compiling Racket and Python to x86-64 assembly
linux-insides - A little bit about a linux kernel
scrcpy - Display and control your Android device
8088_bios - BIOS for Intel 8088 based computers
sre-interview-prep-guide - Site Reliability Engineer Interview Preparation Guide
All-Stages-of-Linux-Booting-
www.submarinecablemap.com - Comprehensive interactive map of the world's major operating and planned submarine cable systems and landing stations, updated frequently.
QEMU - Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.