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* Update 20210629 A brief history of FreeDOS.md * Update 20210629 A brief history of FreeDOS.md * Update 20210629 A brief history of FreeDOS.md * Update 20210629 A brief history of FreeDOS.md * Update 20210629 A brief history of FreeDOS.md * Update and rename sources/talk/20210629 A brief history of FreeDOS.md to translated/talk/20210629 A brief history of FreeDOS.md
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[#]: subject: (A brief history of FreeDOS)
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[#]: via: (https://opensource.com/article/21/6/history-freedos)
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[#]: author: (Jim Hall https://opensource.com/users/jim-hall)
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[#]: collector: (lujun9972)
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[#]: translator: ( )
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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A brief history of FreeDOS
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======
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Throughout its nearly 30-year journey, FreeDOS has been the modern DOS.
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![Person typing on a 1980's computer][1]
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A master was explaining the nature of [The Tao of Programming][2] to one of his novices. "The Tao is embodied in all software—regardless of how insignificant," said the master.
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"Is Tao in a hand-held calculator?" asked the novice.
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"It is," came the reply.
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"Is the Tao in a video game?" continued the novice.
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"It is even in a video game," said the master.
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"And is the Tao in the DOS for a personal computer?"
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The master coughed and shifted his position slightly. "The lesson is over for today," he said.
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The Tao of Programming, Geoffrey James, InfoBooks, 1987
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Computing used to be limited only to expensive mainframes and "Big Iron" computer systems like the PDP11. But the advent of the microprocessor brought about a computing revolution in the 1970s. You could finally have a computer in your home—the "personal computer" had arrived!
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The earliest personal computers I remember seeing included the Commodore, TRS-80, and Apple. The personal computer became such a hot topic that IBM decided to enter the market. After a rapid development cycle, IBM released the IBM 5150 Personal Computer (the original "IBM PC") in August 1981.
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Creating a computer from scratch is no easy task, so IBM famously used "off-the-shelf" hardware to build the PC, and licensed other components from outside developers. One of those was the operating system, licensed from Microsoft. In turn, Microsoft acquired 86-DOS from Seattle Computer Products, applied various updates, and debuted the new version with the IBM PC as IBM PC-DOS.
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### Early DOS
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Running in memory _up to_ 640 kilobytes, DOS really couldn't do much more than manage the hardware and allow the user to launch applications. As a result, the PC-DOS 1.0 command line was pretty anemic, only including a few commands to set the date and time, manage files, control the terminal, and format floppy disks. DOS also included a BASIC language interpreter, which was a standard feature in all personal computers of the era.
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It wasn't until PC-DOS 2.0 that DOS became more interesting, adding new commands to the command line, and including other useful tools. But for me, it wasn't until MS-DOS 5.0 in 1991 that DOS began to feel "modern." Microsoft overhauled DOS in this release, updating many of the commands and replacing the venerable Edlin editor with a new full-screen editor that was more user-friendly. DOS 5 included other features that I liked, as well, such as a new BASIC interpreter based on Microsoft QuickBASIC Compiler, simply called QBASIC. If you've ever played the Gorillas game on DOS, it was probably in MS-DOS 5.0.
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Despite these upgrades, I wasn't entirely satisfied with the DOS command line. DOS never strayed far from the original design, which proved limiting. DOS gave the user a few tools to do some things from the command line—otherwise, you were meant to use the DOS command line to launch applications. Microsoft assumed the user would spend most of their time in a few key applications, such as a word processor or spreadsheet.
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But developers wanted a more functional DOS, and a sub-industry sprouted to offer neat tools and programs. Some were full-screen applications, but many were command-line utilities that enhanced the DOS command environment. When I learned a bit of C programming, I started writing my own utilities that extended or replaced the DOS command line. And despite the rather limited underpinnings of MS-DOS, I found that the third-party utilities, plus my own, created a powerful DOS command line.
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### FreeDOS
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In early 1994, I started seeing a lot of interviews with Microsoft executives in tech magazines saying the next version of Windows would totally do away with DOS. I'd used Windows before—but if you remember the era, you know Windows 3.1 wasn't a great platform. Windows 3.1 was clunky and buggy—if an application crashed, it might take down the entire Windows system. And I didn't like the Windows graphical user interface, either. I preferred doing my work at the command line, not with a mouse.
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I considered Windows and decided, “If Windows 3.2 or Windows 4.0 will be anything like Windows 3.1, I want nothing to do with it.” But what were my options? I'd already experimented with Linux at this point, and thought [Linux was great][3]—but Linux didn't have any applications. My word processor, spreadsheet, and other programs were on DOS. I needed DOS.
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Then I had an idea! I thought, “If developers can come together over the internet to write a complete Unix operating system, surely we can do the same thing with DOS.” After all, DOS was a fairly straightforward operating system compared to Unix. DOS ran one task at a time (single-tasking) and had a simpler memory model. It shouldn't be _that_ hard to write our own DOS.
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So on June 29, 1994, I [posted an announcement][4] to `comp.os.msdos.apps`, on a message board network called Usenet:
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ANNOUNCEMENT OF PD-DOS PROJECT:
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A few months ago, I posted articles relating to starting a public domain version of DOS. The general support for this at the time was strong, and many people agreed with the statement, "start writing!" So, I have...
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Announcing the first effort to produce a PD-DOS. I have written up a "manifest" describing the goals of such a project and an outline of the work, as well as a "task list" that shows exactly what needs to be written. I'll post those here, and let discussion follow.
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_* A note about the name—I wanted this new DOS to be something that everyone could use, and I naively assumed that when everyone could use it, it was "public domain." I quickly realized the difference, and we renamed "PD-DOS" to "Free-DOS"—and later dropped the hyphen to become "FreeDOS."_
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A few developers reached out to me, to offer utilities they had created to replace or enhance the DOS command line, similar to my own efforts. We pooled our utilities and created a useful system that we released as "Alpha 1" in September 1994, just a few months after announcing the project. Development was pretty swift in those days, and we followed up with "Alpha 2" in December 1994, "Alpha 3" in January 1995, and "Alpha 4" in June 1995.
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### A modern DOS
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Since then, we've always focused on making FreeDOS a "modern" DOS. And much of that modernization is centered on creating a rich command-line environment. Yes, DOS still needs to support applications, but we believe FreeDOS needs a strong command-line environment, as well. That's why FreeDOS includes dozens of useful tools, including commands to navigate directories, manage files, play music, connect to networks, ... and a collection of Unix-like utilities such as `less`, `du`, `head`, `tail`, `sed`, and `tr`.
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While FreeDOS development has slowed, it has not stopped. Developers continue to write new programs for FreeDOS, and add new features to FreeDOS. I'm particularly excited about several great additions to FreeDOS 1.3 RC4, the latest release candidate for the forthcoming FreeDOS 1.3. A few recent updates:
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* Mateusz Viste created a new ebook reader called Ancient Machine Book (AMB) that we've leveraged as the new help system in FreeDOS 1.3 RC4
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* Rask Ingemann Lambertsen, Andrew Jenner, TK Chia, and others are updating the IA-16 version of GCC, including a new _libi86_ library that provides some degree of compatibility with the Borland Turbo C++ compiler's C library
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* Jason Hood has updated an unloadable CD-ROM redirector substitute for Microsoft's MSCDEX, supporting up to 10 drives
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* SuperIlu has created DOjS, a Javascript development canvas with an integrated editor, graphics and sound output, and mouse, keyboard, and joystick input
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* Japheth has created a DOS32PAE extender that is able to use huge amounts of memory through PAE paging
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Despite all of the new development on FreeDOS, we remain true to our DOS roots. As we continue working toward FreeDOS 1.3 "final," we carry several core assumptions, including:
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* **Compatibility is key**—FreeDOS isn't really "DOS" if it can't run classic DOS applications. While we provide many great open source tools, applications, and games, you can run your legacy DOS applications, too.
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* **Continue to run on old PCs (XT, '286, '386, etc)**—FreeDOS 1.3 will remain 16-bit Intel but will support new hardware with expanded driver support, where possible. For this reason, we continue to focus on a single-user command-line environment.
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* **FreeDOS is open source software**—I've always said that FreeDOS isn't a "free DOS" if people can't access, study, and modify the source code. FreeDOS 1.3 will include software that uses recognized open source licenses as much as possible. But DOS actually pre-dates the GNU General Public License (1989) and the Open Source Definition (1998) so some DOS software might use its own "free with source code" license that isn't a standard "open source" license. As we consider packages to include in FreeDOS, we continue to evaluate any licenses to ensure they are suitably "open source," even if they are not officially recognized.
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We welcome your help in making FreeDOS great! Please join us on our email list—we welcome all newcomers and contributors. We communicate over an email list, but the list is fairly low volume so is unlikely to fill up your Inbox.
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Visit the FreeDOS website at [www.freedos.org][5].
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--------------------------------------------------------------------------------
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via: https://opensource.com/article/21/6/history-freedos
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作者：[Jim Hall][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://opensource.com/users/jim-hall
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[b]: https://github.com/lujun9972
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[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/1980s-computer-yearbook.png?itok=eGOYEKK- (Person typing on a 1980's computer)
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[2]: https://www.mit.edu/~xela/tao.html
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[3]: https://opensource.com/article/17/5/how-i-got-started-linux-jim-hall-freedos
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[4]: https://groups.google.com/g/comp.os.msdos.apps/c/oQmT4ETcSzU/m/O1HR8PE2u-EJ
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[5]: https://www.freedos.org/
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[#]: subject: (A brief history of FreeDOS)
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[#]: via: (https://opensource.com/article/21/6/history-freedos)
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[#]: author: (Jim Hall https://opensource.com/users/jim-hall)
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[#]: collector: (lujun9972)
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[#]: translator: (zxy-wyx)
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: url: ( )
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FreeDOS 简史
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======
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经历了近30年的发展, FreeDOS 已经成为了世界先进的 DOS。
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![第一批使用计算机的人][1]
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一个老师正在给他的一个学生讲[编程之道][2]。 “编程之道包含在所有的软件中--不管它多么微不足道，” 老师说道。
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“编程之道在手提电脑里面吗?” 学生问道。
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“是的,” 老师回答道。
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“编程之道在电脑游戏里面吗?”学生继续问道
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“他甚至在电脑游戏里面," 老师说。
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“那编程之道在个人电脑的操作系统里面吗?”
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老师咳嗽了一下，稍稍改变了姿势，说道，“今天的课结束了。”
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编程之道, Geoffrey James, 信息类书籍, 1987
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过去，计算仅限于昂贵的大型机和“超大型计算机”计算机系统，如 PDP 11。但是微处理器的出现在 20 世纪 70 年代带来了一场计算机革命。 你终于可以在家里有一台电脑了——“个人电脑浪潮”已经到了！
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我记得看到的最早的个人电脑包括 Commodore, TRS-80, 和 Apple。个人电脑成了一个热门话题，所以 IBM 决定进入这个市场。 在经历了一个短暂的开发周期之后，IBM 于 1981 年 8 月发布了 IBM 5150 个人计算机(最初的“IBM PC”)。
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从零开始创建一台计算机并非易事，因此 IBM 用现成的硬件来构建 PC 而闻名，并从外部开发人员那里获得了其他组件的许可。 其中之一是微软授权的操作系统。反过来，微软从西雅图电脑产品公司获得了 86-DOS ，进行了各种更新，并在 IBM PC 上推出了新版本的 IBM PC-DOS。
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###早期的 DOS
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早期的 DOS 在内存中运行最多为 640 千字节, DOS 只能管理硬件，允许用户启动应用程序。因此，PC-DOS 1.0 命令行非常贫乏，只包含了一些设置日期和时间、管理文件、控制终端和格式化软盘的命令。DOS 还包括一个基本的语言解释器，这是这个时代所有个人计算机的一个基本功能。
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直到 PC-DOS 2.0，DOS 才变得更加有趣，在命令行中添加了新的命令，并包含了其他有用的工具。但对我来说，直到1991 年 MS-DOS 5.0 才开始感觉到先进。微软在这个版本中对 DOS 进行了全面改革，更新了许多命令，并用一个新的全屏编辑器取代了老旧的 Edlin 编辑器，这个编辑器对用户更加友好。 DoS 5 还包括我喜欢的其他特性，比如基于 Microsoft QuickBASIC Compiler, 简称 QBASIC. 如果你曾经在 DOS 上玩过 the Gorillas 游戏, 可能是在 MS-DOS 5.0 中运行。
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尽管进行了这些升级，但我对 DOS 命令行并不完全满意。DOS 从来没有偏离原来的设计，改变有限。DOS 为用户提供了一些工具，可以从命令行执行一些事情--否则，你就应该使用 DOS 命令行来启动应用程序。微软认为用户大部分时间都会花在几个关键的应用程序上，比如文字处理器或电子表格。
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但是开发人员想要一个功能更强的 DOS，此时一个子行业正在萌芽，以提供整洁的工具和程序。有些是全屏应用程序，但也有许多是增强 DOS 命令环境的命令行实用程序. 当我学到一点 C 编程时，我开始编写自己的实用程序，扩展或替换 DOS 命令行。尽管 MS-DOS 的基础相当有限，但我发现第三方实用程序加上我自己的工具创建了一个功能强大的DOS命令行。
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### FreeDOS
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1994 年初，我开始在科技杂志上看到很多微软高管的采访，他们说下一个版本的 Windows 将完全取代 DOS。 我以前使用过 Windows，但如果你还记得那个时代，你就知道 Windows 3.1 不是一个很好的平台。 Windows 3.1 是笨重的和有很多漏洞的——如果一个应用程序崩溃，它可能会摧毁整个 Windows 系统。我也不喜欢 Windows 的图形用户界面。我更喜欢在命令行做我的工作，而不是用鼠标。
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我考虑了 Windows，并决定，“如果 Windows3.2 或 Windows4.0 将类似于 Windows3.1，我我将不会去使用它。” 但我有什么选择？此时，我已经对 Linux 进行了实验，并认为 [linux很棒][3]—但是 Linux 没有任何应用程序。我的文字处理器、电子表格和其他程序都在 DOS 上。我需要 DOS。
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然后我有了个主意！我想，“如果开发人员能够在互联网上共同编写一个完整的 Unix 操作系统，那么我们当然可以在 DOS 中做同样的事情。”毕竟，与 Unix 相比，DOS 是一个相当简单的操作系统。DOS 一次运行一个任务(单任务)，并且有一个更简单的内存模型。写我们自己的 DOS 应该不难。
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因此，在 1994 年 6 月 29 日，我在一个名为 Usenet 的留言板网络上向 ‘comp.os.msdos.apps’[发布了一个公告][4] 。
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PD-DOS 项目宣布：
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几个月前，我发表了关于启动 DOS 公共领域版本的文章。 当时对此的普遍支持很强烈，许多人都同意这样的说法：“开始创作吧！”所以我有..。
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第一次宣布努力生产 PD-DOS。我已经写了一个“清单”，描述了这样一个项目的目标和工作大纲，以及一个“任务列表”，它准确地显示了需要写什么。我会把这些贴在这里，然后讨论一下。
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*关于这个名字的注释--我希望这个新的 DOS 成为每个人都可以使用的东西，我天真地认为，当每个人都可以使用它时，它就是“公共领域”。我很快就意识到了这种差别，所以我们把 “PD-DOS” 改名为 “Free-DOS”，然后去掉连字符变成 “FreeDOS”。
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一些开发人员联系我，提供他们为替换或增强 DOS 命令行而创建的实用程序，类似于我自己的努力。就在项目宣布几个月后，我们汇集了我们的实用程序，并创建了一个实用的系统，我们在 1994 年 9 月发布了一个名为 “Alpha 1” 的系统。当时的发展相当迅速，我们在 1994 年 12 月采用了 “Alpha 2”，1995 年 1 月采用了“Alpha 3”，1995 年 6 月采用了“Alpha 4”。
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### 一个现代的 DOS
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从那以后，我们一直致力于使 FreeDOS 成为“现代” DOS。而大部分现代化都集中在创建一个丰富的命令行环境上。是的，DOS 仍然需要支持应用程序，但是我们相信 FreeDOS 也需要一个强大的命令行环境。这就是为什么 FreeDOS 包含了许多有用的工具，包括导航目录、管理文件、播放音乐、连接网络的命令，……以及类似 Unix 的实用程序集合，如 “Less”、“Du”、“Head”、“tail”、“Se”和“trt”。
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虽然 FreeDOS 的开发已经放缓，但它并没有停止。开发人员继续为 FreeDOS 编写新程序，并向 FreeDOS 添加新功能。我对 FreeDOS 1.3 RC4 的几个重要补充感到特别兴奋，FreeDOS 1.3 RC4 是即将发布的FreeDOS 1.3 的最新候选版本。最近的一些更新如下：
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*Mateusz Viste 创建了一个新的电子书阅读器，名为 Ancient Machine Book (AMB)，我们利用它作为 FreeDOS 1.3 RC4 中的新帮助系统。
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*Rask Ingemann Lambertsen、Andrew Jenner、TK Chia 和其他人正在更新 GCC 的 ia-16 版本，包括一个新的_libi86_库，它提供了与 Borland TurboC++ 编译器的 C 库的某种程度的兼容性。
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*Jason Hood 更新了一个可下载的 CD-ROM 重定向器，以替代微软的 MSCDEX，最多支持10个驱动器。
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*SuperIlu 已经创建了 DOjS，这是一个 Javascript 开发画布，具有集成的编辑器、图形和声音输出，以及鼠标、键盘和操纵杆输入。
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*Japheth 已经创建了一个 DOS32PAE 扩展程序，它能够通过 PAE 分页使用大量的内存。
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尽管 FreeDOS 有了新的发展，我们仍然忠于我们的 DOS 根基。在我们继续朝着 FreeDOS 1.3 “最终”的方向努力时，我们提出了几个核心假设，包括：
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***兼容性是关键**-如果FreeDOS不能运行经典DOS应用程序，它就不是真正的DOS。虽然我们提供了许多优秀的开源工具、应用程序和游戏，但您也可以运行遗留的DOS应用程序。
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***继续在旧 PC 上运行(XT，‘286,386 等)**-FreeDOS 1.3 将保持 16 位英特尔，但在可能的情况下将支持扩展驱动程序支持的新硬件。为此，我们继续专注于单用户命令行环境。
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***FreeDOS 是开源软件**-我一直说，如果人们不能访问、学习和修改源代码，FreeDOS 就不是“免费 DOS”。FreeDOS 1.3 将包括尽可能多地使用公认的开源许可证的软件。但 DOS 实际上早于 GNU 通用公共许可证 (1989)和开放源码定义 (1998)，因此一些 DOS 软件可能会使用自己的“免费源代码”许可证，而这并不是标准的“开源”许可。当我们认为软件包包括在 FreeDOS，我们将继续评估任何许可证，以确保它们是合适的“开放源码”，即使它们没有得到正式承认。
|
||||
|
||||
我们欢迎您的帮助，使FreeDOS强大！ 请加入我们的电子邮件名单-我们欢迎所有新来者和投稿人。我们通过电子邮件列表进行交流，但是列表的容量非常小，所以不太可能填满你的收件箱。
|
||||
|
||||
访问FreeDOS网站[www.freedos.org][5].
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
via: https://opensource.com/article/21/6/history-freedos
|
||||
|
||||
作者：[Jim Hall][a]
|
||||
选题：[lujun9972][b]
|
||||
译者：[zxy-wyx](https://github.com/zxy-wyx)
|
||||
校对：[校对者ID](https://github.com/校对者ID)
|
||||
|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
||||
|
||||
[a]: https://opensource.com/users/jim-hall
|
||||
[b]: https://github.com/lujun9972
|
||||
[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/1980s-computer-yearbook.png?itok=eGOYEKK- (Person typing on a 1980's computer)
|
||||
[2]: https://www.mit.edu/~xela/tao.html
|
||||
[3]: https://opensource.com/article/17/5/how-i-got-started-linux-jim-hall-freedos
|
||||
[4]: https://groups.google.com/g/comp.os.msdos.apps/c/oQmT4ETcSzU/m/O1HR8PE2u-EJ
|
||||
[5]: https://www.freedos.org/
|
||||
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Reference in New Issue
Block a user