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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Run browser and/or mpv directly on hardware? (programming.dev)

submitted 17 hours ago by emotional_soup_88@programming.dev to c/linux@lemmy.ml

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Context: https://www.youtube.com/watch?v=QKzRf8B-oDk

Would it be possible to run mpv and a browser directly on hardware somehow? Perhaps in an environment that doesn't classify as an operating system according to the definition in those California codes?

I know that an operating system distributes workloads and facilitates communication between various hardware components, but would it be possible to build a Linux kernel that is "only" an interface to the CPU, a GPU, a sound card and a keyboard? One that can take commands to run for instance a browser^[Nowadays, a browser feels like a container that can run most things a physical computer would: stream media, serve as a word processor, play simple games, what have you.] and mpv? Having the user manually - through commands of physical switches - handle the inter component communication? Or perhaps by being a kernel it already falls under the definition of an OS?

I'm just spitballing here. Barely know what I'm talking about, so please enlighten me! :D

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[–] Thwompthwomp@lemmy.world 4 points 17 hours ago (1 children)

What you’re talking about would be called running a browser on “bare metal.” The OS is typically on charge of resource management between the various tasks. Access to the processor, storage, screen, input devices, sound, network. The os is a layer that mediates these devices. On bare metal you have to do ALL of that.

I’ve seen some interest in bare metal web servers in the past which some believe to be more secure. But I don’t think I’ve seen browsers on bare metal. There’s so much browsers need to do anymore. But anyways, bare metal would be the search terms you want to start using.

[–] SteveTech@aussie.zone 2 points 3 hours ago

The os is a layer that mediates these devices.

The OS doesn't just mediate the devices, it also provides a consistent interface for software to talk to the hardware. E.g. software doesn't care if you're using a USB or PS/2 keyboard, the operating system handles that.

I’ve seen some interest in bare metal web servers

Usually in the context of servers, bare metal means it's not running in a VM, and you are dedicated to the hardware. E.g. one server may otherwise be running multiple customers all isolated from each other using VMs, with bare metal servers you are the only customer using the hardware. They're supposedly more secure as there isn't another customer that could use some VM escape vulnerability and read your data. It's nothing to do with whether you are running an OS or not (although no OS is very not practical on production servers).