A Quote by Charles Petzold
To a programmer, an operating system is defined by its API.
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Any competent programmer has an API to cash, payments, escrow, wills, notaries, lotteries, dividends, micropayments, subscriptions, crowdfunding, and more.
I had to actually purchase a book to learn the API and write the client. It was pretty frustrating trying to learn the API and develop a product quickly.
My first operating system project was to build a real-time system called RSX-11M that ran on Digital's PDP-11 16-bit series of minicomputers. ... a multitasking operating system that would run in 32 KB of memory with a hierarchical file system, application swapping, real-time scheduling, and a set of development utilities. The operating system and utilities were to run on the entire line of PDP-11 platforms, from the very small systems up through the PDP-11/70 which had memory-mapping hardware and supported up to 4 MB of memory.
The iPad - contrary to the way most people thought about it - is not a tablet computer running the Apple operating system. It's more like a very big iPhone, running the iPhone operating system.
It became clear to me by 1984 that Microsoft was likely going to be the big winner in the PC software apps and operating system category, partly because of the dynamics of owning and controlling the operating system: that gave you enormous power, and I came to see Bill Gates was fierce competitor.
I think that's the responsibility of the CEO and the CEOs below me: to make sure that we're constantly putting people in places where they have the opportunity to develop into those careers but also having a rewards and recognition system that allows a great programmer to stay as a great programmer.
In the summer of 1988, I received an interesting call from Bill Gates at Microsoft. He asked whether I'd like to come over and talk about building a new operating system at Microsoft for personal computers. What Bill had to offer was the opportunity to build another operating system, one that was portable.
I have developed a Zen-like approach to the operating systems that people use: 'When you're ready, the right operating system will appear in your life.
I have developed a Zen-like approach to the operating systems that people use: 'When you're ready, the right operating system will appear in your life.'
Technically, Windows is an "operating system," which means that it supplies your computer with the basic commands that it needs to suddenly, with no warning whatsoever, stop operating.
The current operating system [culture] is flawed. It actually has bugs in it that generate contradictions. We're cutting the earth from beneath our own feet. We're poisoning the atmosphere that we breathe. This is not intelligent behaviour. This is a culture with a bug in its operating system that's making it produce erratic, dysfunctional, malfunctional behaviour. Time to call a tech! And who are the techs? The shamans are the techs.
There's no other company that could make a MacBook Air and the reason is that not only do we control the hardware, but we control the operating system. And it is the intimate interaction between the operating system and the hardware that allows us to do that. There is no intimate interaction between Windows and a Dell notebook.
There's no point in comparing an actual, operating system with an ideal system that doesn't exist.
The best way to prepare [to be a programmer] is to write programs, and to study great programs that other people have written. In my case, I went to the garbage cans at the Computer Science Center and I fished out listings of their operating systems.
Testing proves a programmer’s failure. Debugging is the programmer’s vindication.
UNIX has a philosophy, it has 25 years of history behind it, and most importantly, it has a clean core. It strives for something - some kind of beauty. And that's really what struck me as a programmer. Operating systems that normal home users are used to, such as DOS and Windows, didn't have any way of life. Nobody tried to design Windows - it just grew in random directions without any kind of thought behind it. [...] I don't think Microsoft is evil in itself; I just think that they make really crappy operating systems.
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