I’ve been trying to use Debian without a graphical UI, at least for the most part. I use X window to run firefox since I feel that is the best way to browse. But simply using the terminal for almost everything feels so refreshing somehow.

I start to find these gems such as a music player for the terminal that works really well, my HOME area feels so clutter free and I feel like I finally can finely control and tune my system to a much larger extent. I’m coming from an extensively cluttered windows system so just seeing a few things makes me feel like I can finally focus.

For me it feels like I’ll have an easier time managing my projects by setting up github in a good way in HOME. I’ve been putting more time into my vimrc to make it better for my different workflows and general productivity (and for the sake of minimalism trying to keep it mostly to hand written stuff). I’ve also been looking into Lutris to be able to fire up games or use wine for other necessary tools that I might need during cowork with others.

Generally I believe that if this test works out I’ll truly consider to make this my main OS. The clutterlessness keeps me much more distraction free. The terminal environment make me read about and learn of new ways to do things. And most of the tools I use can either be used from command line, multiple ones with a multiplexer and in the case I truly need to use GUI or want to play a game I can just fire it up on demand.

*happy*

Do you guys have any distraction free OS or setups that you want to share? Anyone with a similar experience of revelation?

For all Linux users that use a Terminal Multiplexer:

Which do you use? Tmux? Byobu? Screen...?

I like tmux, what are the favored terminal multiplexers on devRant?

Favorite terminal multiplexer?

Can anyone help me with this theory about microprocessor, cpu and computers in general?

( I used to love programming when during school days when it was just basic searching/sorting and oop. Even in college , when it advanced to language details , compilers and data structures, i was fine. But subjects like coa and microprocessors, which kind of explains the working of hardware behind the brain that is a computer is so difficult to understand for me 😭😭😭)

How a computer works? All i knew was that when a bulb gets connected to a battery via wires, some metal inside it starts glowing and we see light. No magics involved till now.

Then came the von Neumann architecture which says a computer consists of 4 things : i/o devices, system bus ,memory and cpu. I/0 and memory interact with system bus, which is controlled by cpu . Thus cpu controls everything and that's how computer works.

Wait, what?
Let's take an easy example of calc. i pressed 1+2= on keyboard, it showed me '1+2=' and then '3'. How the hell that hapenned ?

Then some video told me this : every key in your keyboard is connected to a multiplexer which gives a special "code" to the processer regarding the key press.
The "control unit" of cpu commands the ram to store every character until '=' is pressed (which is a kind of interrupt telling the cpu to start processing) . RAM is simply a bunch of storage circuits (which can store some 1s) along with another bunch of circuits which can retrieve these data.

Up till now, the control unit knows that memory has (for eg):
Value 1 stored as 0001 at some address 34A
Value + stored as 11001101 at some address 34B
Value 2 stored as 0010 at some Address 23B

On recieving code for '=' press, the "control unit" commands the "alu" unit of cpu to fectch data from memory , understand it and calculate the result(i e the "fetch, decode and execute" cycle)

Alu fetches the "codes" from the memory, which translates to ADD 34A,23B i.e add the data stored at addresses 34a , 23b. The alu retrieves values present at given addresses, passes them through its adder circuit and puts the result at some new address 21H.

The control unit then fetches this result from new address and via, system busses, sends this new value to display's memory loaded at some memory port 4044.
The display picks it up and instantly shows it.

My problems:
1. Is this all correct? Does this only happens?

2. Please expand this more.
How is this system bus, alu, cpu , working?
What are the registers, accumulators , flip flops in the memory?
What are the machine cycles?
What are instructions cycles , opcodes, instruction codes ?
Where does assembly language comes in?
How does cpu manipulates memory?
This data bus , control bus, what are they?
I have come across so many weird words i dont understand dma, interrupts , memory mapped i/o devices, etc. Somebody please explain.

Ps : am learning about the fucking 8085 microprocessor in class and i can't even relate to basic computer architecture. I had flunked the coa paper which i now realise why, coz its so confusing. :'''(

!rant // more like a warning
If you use tty (no X or graphic env) and use tmux as terminal multiplexer -> avoid using mpv in it.
.
When you use -> mpv --vo=drm "video name" in tmux session and want to pause video -> cpu usage will climb up to 100% on single core.
(can make laptop warm)
(I don't know what exactly cause this but my theory is, tmux cant redraw after video is pause and it keep trying forever and end up using cpu 100% on single core)
.
Solution
- use mpv on another tty which you didn't run tmux.
- example : tty1: all stuff, tty2: mpv.
And cpu usage will be normal after video is pause.