Free for All - Peter Wayner (the false prince series .txt) 📗
- Author: Peter Wayner
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Of course, something in between would probably happen. Some folks who cared about Lisp would make a point of downloading Raymond's version. The rest of the world would just go on using the regular version. In time, Stallman might soften and embrace the changes, but he might not. Perhaps someone would come along and create a third distribution that melded Raymond's changes with Stallman's into a harmonious version. That would be a great thing, except that it would force everyone to choose from among three different versions.
In the end, Raymond decided to forget about his improvements. "Emacs is too large and too complicated and forking is bad. There was in fact one group that got so fed up with working with him that they did fork Emacs. That's why X Emacs exists. But major forks like that are rare events and I didn't want to be part of perpetrating another one," he said. Someone else was going to have to start the civil war by firing those shots at Fort Sumter.
18.2 BSD'S GARDEN OF FORKING PATHS
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Some forks aren't so bad. There often comes a time when people have legitimate reasons to go down different paths. What's legitimate and what's not is often decided after a big argument, but the standard reasons are the same ones that drive programming projects. A good fork should make a computer run software a gazillion times faster. Or it might make the code much easier to port to a new platform. Or it might make the code more secure. There are a thousand different reasons, and it's impossible to really measure which is the right one. The only true measure is the number of people who follow each branch of the fork. If a project has a number of good disciples and the bug fixes are coming quickly, then people tend to assume it is legitimate.
The various versions of the BSD software distribution are some of the more famous splits around. All are descended, in one way or another, from the original versions of UNIX that came out of Berkeley. Most of the current ones evolved from the 4.3BSD version and the Network Release 2 and some integrated code from the 4.4BSD release after it became free. All benefited from the work of the hundreds of folks who spent their free time cloning the features controlled by AT&T. All of them are controlled by the same loose BSD license that gives people the right to do pretty much anything they want to the code. All of them share the same cute daemon as a mascot.
That's where the similarities end. The FreeBSD project is arguably the most successful version. It gets a fairly wide distribution because its developers have a good deal with Walnut Creek CD-ROM Distributors, a company that packages up large bundles of freeware and shareware on the Net and then sells them on CD-ROM. The system is well known and widely used because the FreeBSD team concentrates on making the software easy to use and install on Intel computers. Lately, they've created an Alpha version, but most of the users run the software on x86 chips. Yahoo! uses FreeBSD.
FreeBSD, of course, began as a fork of an earlier project known as 386BSD, started by Bill Jolitz. This version of BSD was more of an academic example or a proof-of-concept than a big open source project designed to take over the world.
Jordan Hubbard, someone who would come along later to create a fork of 386BSD, said of Jolitz's decision to create a 386-based fork of BSD, "Bill's real contribution was working with the 386 port. He was kind of an outsider. No one else saw the 386 as interesting. Berkeley had a myopic attitude toward PCs. They were just toys. No one would support Intel. That was the climate at the time. No one really took PCs seriously. Bill's contribution was to realize that PCs were going places."
From the beginning, Hubbard and several others saw the genius in creating a 386 version of BSD that ran on the cheapest hardware available. They started adding features and gluing in bug fixes, which they distributed as a file that modified the main 386BSD distribution from Jolitz. This was practical at the beginning when the changes were few, but it continued out of respect for the original creator, even after the patches grew complicated.
Finally, a tussle flared up in 1993. Jordan Hubbard, one of the forkers, writes in his history of the project,
386BSD was Bill Jolitz's operating system, which had been up to that point suffering rather severely from almost a year's worth of neglect. As the patchkit swelled ever more uncomfortably with each passing day, we were in unanimous agreement that something had to be done and decided to try and assist Bill by providing this interim "cleanup" snapshot. Those plans came to a rude halt when Bill Jolitz suddenly decided to withdraw his sanction from the project and without any clear indication of what would be done instead.
The FreeBSD team pressed on despite the denial. They decided to fork. Today, 386BSD is largely part of the history of computing while FreeBSD is a living, current OS, at least at the time this book was written. The FreeBSD team has done a good job distributing bug-free versions, and they've been paid off in loyalty, disciples, and money and computers from Walnut Creek. Forking can often be good for society because it prevents one person or clique from thwarting another group. The free software world is filled with many of the same stories of politics that float across the watercoolers of corporations, but the stories don't have to end the same way. If one boss or group tries to shut down a free software project, it really can't. The source code is freely available, and people are free to carry on. The FreeBSD project is one example.
Of course, good software can have anti-forking effects. Linus Torvalds said in one interview, "Actually, I have never even checked 386BSD out; when I started on Linux it wasn't available (although Bill Jolitz's series on it in Dr. Dobbs Journal had started and were interesting), and when 386BSD finally came out, Linux was already in a state where it was so usable that I never really thought about switching. If 386BSD had been available when I started on Linux, Linux would probably never have happened." So if 386BSD had been easier to find on the Net and better supported, Linux might never have begun.
Once someone starts forking BSD, one fork is rarely enough. Another group known as NetBSD also grew fed up with the progress of 386BSD in 1993. This group, however, wanted to build a platform that ran well on many different machines, not just the Intel 386. The FreeBSD folks concentrated on doing a good job on Intel boxes, while the NetBSD wanted to create a version that ran on many different machines. Their slogan became "Of course it runs NetBSD."
NetBSD runs on practically every machine you can imagine, including older, less up-to-date machines like the Amiga and the Atari. It has also been embraced by companies like NeXT, which bundled parts of it into the version of the OS for the Macintosh known as Rhapsody. Of course, the most common chips like the Intel line and the Alpha are also well supported.
The NetBSD community emerged at the same time as the FreeBSD world. They didn't realize that each team was working on the same project at the same time. But once they started releasing their own versions, they stayed apart.
"The NetBSD group has always been the purest. They saw it as an OS research vehicle. That was what CSRG was doing. Their only mandate was to do interesting research," said Hubbard. "It's a very different set of goals than we concentrated on for the 386. The important thing for us was to polish it up. We put all of our efforts into polishing, not porting. This was part of our bringing BSD to the masses kind of thing. We're going for numbers. We're going for mass penetration."
This orientation meant that NetBSD never really achieved the same market domination as FreeBSD. The group only recently began shipping versions of NetBSD on CD-ROM. FreeBSD, on the other hand, has always excelled at attracting new and curious users thanks to their relationship with Walnut Creek. Many experimenters and open-minded users picked up one of the disks, and a few became excited enough to actually make some contributions. The Walnut Creek partnership also helped the FreeBSD team understand what it needed to do to make their distribution easier to install and simpler to use. That was Walnut Creek's business, after all.
18.3 FLAMES, FIGHTS, AND THE BIRTH OF OPENBSD
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The forking did not stop with NetBSD. Soon one member of the NetBSD world, Theo de Raadt, began to rub some people the wrong way. One member of the OpenBSD team told me, "The reason for the split from NetBSD was that Theo got kicked out. I don't understand it completely. More or less they say he was treating users on the mailing list badly. He does tend to be short and terse, but there's nothing wrong with that. He was one of the founding members of NetBSD and they asked him to resign."
Now, four years after the split began in 1995, de Raadt is still a bit hurt by their decision. He says about his decision to fork BSD again, "I had no choice. I really like what I do. I really like working with a community. At the time it all happened, I was the second most active developer in their source tree. They took the second most active developer and kicked him off."
Well, they didn't kick him out completely, but they did take away his ability to "commit" changes to the source tree and make them permanent. After the split, de Raadt had to e-mail his contributions to a member of the team so they could check them in. This didn't sit well with de Raadt, who saw it as both a demotion and a real impediment to doing work.
The root of the split is easy to see. De Raadt is energetic. He thinks and speaks quickly about everything. He has a clear view about most free software and isn't afraid to share it. While some BSD members are charitable and conciliatory to Richard Stallman, de Raadt doesn't bother to hide his contempt for the organization. "The Free Software Foundation is one of the most misnamed organizations," he says, explaining that only BSD-style licensees have the true freedom to do whatever they want with the software. The GNU General Public License is a pair of handcuffs to him.
De Raadt lives in Calgary and dresses up his personal web page with a picture of himself on top of a mountain wearing a bandanna. If you want to send him a pizza for any reason, he's posted the phone number of his favorite local shop (403/531-3131). Unfortunately, he reports that they don't take foreign credit card numbers anymore.
He even manages to come up with strong opinions about simple things that he ostensibly loves. Mountain biking is a big obsession, but, he says, "I like mud and despise 'wooded back-alleys' (what most people call logging roads)." That's not the best way to
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