Answer 1

Had to write lot of code on 'pieces of paper' couple of years ago during exams. Quite stable OS! :D

Answer 2

I read PDFs on my phone too

Answer 3

create your own(customised) version of Linux ,after all it's open source

Answer 4

Android can do that,isnt it?
Android can compile too isnt it?

Answer 5

@Justin Hill
No. I didnt mean that.Android has an app that can compile
.cpp to .exe
.java to .class
.java to .arsc

Answer 6

@Kenyatta sir you could make your own OS and do it. I can't do it but you may.

Answer 7

Dos.. C64.. .. I do alot of my learning on my phone when I have downtime at work, so I guess Android OS

Answer 8

Solaris.

Answer 9

android has "playgrounds" for learning.. Python I use QPYTHON3 .. Java I use Online Compiler

Answer 10

Android the Name is Enough 😂

Answer 11

Chrome os
(It sucks never use it ever or else you have cursed yourself for the next 100 years additionally I will hunt you and your loved ones down)