Code page 437, the original character set for the IBM PC, includes a small house character (⌂) because it was intended for general business use, not just programming. Inspired by the pre-existing PETSCII character set, IBM included symbols useful for forms, diagrams, and even simple games. The house, specifically, was likely included to represent "home" in directory structures or for drawing simple diagrams, similar to how other box-drawing characters are utilized. This practicality over pure programming focus explains many of 437's seemingly unusual choices.
Bill Gates reflects on the recently released Altair BASIC source code, a pivotal moment in Microsoft's history. He reminisces about the challenges and excitement of developing this early software for the Altair 8800 with Paul Allen, including the limited memory constraints and the thrill of seeing it run successfully for the first time. Gates emphasizes the importance of this foundational work, highlighting how it propelled both Microsoft and the broader personal computer revolution forward. He also notes the collaborative nature of early software development and encourages exploration of the code as a window into the past.
HN commenters discuss the historical significance of Microsoft's early source code release, noting its impact on the industry and the evolution of programming practices. Several commenters reminisce about using these early versions of BASIC and DOS, sharing personal anecdotes about their first experiences with computing. Some express interest in examining the code for educational purposes, to learn from the simple yet effective design choices. A few discuss the legal implications of releasing decades-old code, and the potential for discovering hidden vulnerabilities. The challenges of understanding code written with now-obsolete practices are also mentioned. Finally, some commenters speculate on the motivations behind Microsoft's decision to open-source this historical artifact.
The Amiga 600, initially met with disappointment due to its perceived regression from the Amiga 500 Plus – lacking a numeric keypad, expansion options, and a real floppy drive – has become a retro favorite. Its compact size, built-in PCMCIA slot (offering exciting expansion possibilities despite initial limitations), and affordability contributed to its eventual popularity. While initially overshadowed by the more powerful Amiga 1200, the A600's simplicity and ease of use, along with a growing community developing software and hardware enhancements, solidified its place as a beloved and accessible entry point into the Amiga world. Its small footprint also makes it a convenient and portable retro gaming option today.
Hacker News users discussed the Amiga 600's initial lukewarm reception and its current retro appeal. Several commenters pointed to its awkward positioning in the Amiga lineup, being more expensive yet less expandable than the Amiga 500 while also lacking the power of the Amiga 1200. Some felt its small size was a drawback, making upgrades difficult. However, others appreciated its compact form factor and built-in floppy drive. The lack of a numeric keypad was also a frequent complaint. The overall sentiment reflected a re-evaluation of the Amiga 600, acknowledging its initial flaws while also recognizing its strengths as a compact and affordable entry point into the Amiga ecosystem for modern retro enthusiasts. The discussion also touched upon the broader context of Commodore's mismanagement and the Amiga's ultimate demise.
This 1989 Xerox PARC paper argues that Unix, despite its strengths, suffers from a fragmented environment hindering programmer productivity. It lacks a unifying framework integrating tools and information, forcing developers to grapple with disparate interfaces and manually manage dependencies. The paper proposes an integrated environment, similar to Smalltalk or Interlisp, built upon a shared repository and incorporating features like browsing, version control, configuration management, and debugging within a consistent user interface. This would streamline the software development process by automating tedious tasks, improving code reuse, and fostering better communication among developers. The authors advocate for moving beyond the Unix philosophy of small, independent tools towards a more cohesive and interactive system that supports the entire software lifecycle.
Hacker News users discussing the Xerox PARC paper lament the lack of a truly integrated computing environment, even decades later. Several commenters highlight the continued relevance of the paper's criticisms of Unix's fragmented toolset and the persistent challenges in achieving seamless interoperability. Some point to Smalltalk as an example of a more integrated system, while others mention Lisp Machines and Oberon. The discussion also touches upon the trade-offs between integration and modularity, with some arguing that Unix's modularity, while contributing to its fragmentation, is also a key strength. Others note the influence of the internet and the web, suggesting that these technologies shifted the focus away from tightly integrated desktop environments. There's a general sense of nostalgia for the vision presented in the paper and a recognition of the ongoing struggle to achieve a truly unified computing experience.
This video showcases a young, energetic Steve Ballmer enthusiastically pitching the then-new Microsoft Windows 1.0. He highlights key features like the graphical user interface, multitasking capabilities (running multiple programs simultaneously), and the use of a mouse for easier navigation, contrasting it with the command-line interface prevalent at the time. Ballmer emphasizes the user-friendliness and productivity gains of Windows, demonstrating basic operations like opening and closing windows, switching between applications, and using paint software. He positions Windows as a revolutionary advancement in personal computing, promising a more intuitive and efficient working experience.
Commenters on Hacker News reacted to the Windows 1.0 video with a mix of nostalgia and amusement. Several noted the awkwardness of early software demos, particularly Ballmer's forced enthusiasm and the clunky interface. Some reminisced about their own experiences with early versions of Windows, while others pointed out the historical significance of the moment and how far personal computing has come. A few highlighted the surprisingly high system requirements for the time, and the relative affordability compared to other graphical interfaces like the Macintosh. There was some debate about the actual usefulness of Windows 1.0 and whether it was truly a "killer app." Overall, the comments reflected a sense of appreciation for the historical context of the video and the progress made since then.
1984 saw the rise of networked filesystems like NFS, which offered performance comparable to local filesystems, and the introduction of the Andrew File System (AFS), designed for large-scale distributed environments with client-side caching and whole-file serving. Research focused on improving performance and reliability, with log-structured filesystems like LFS emerging to optimize write operations. Additionally, the standardization of file systems continued, with work on the ISO 9660 standard for CD-ROMs solidifying the format's widespread adoption. This year highlighted the increasing importance of networking and the evolving demands placed upon file systems for both performance and portability.
The Hacker News comments discuss the blog post's focus on the early days of networked filesystems, particularly NFS. Several commenters share their own experiences with early NFS, highlighting its initial slow performance and eventual improvements. Some discuss the influence of Sun Microsystems and the rise of distributed systems. Others delve into technical details like caching, consistency models, and the challenges of implementing distributed locks. A few comments compare NFS to other contemporary filesystems and contemplate the enduring relevance of some of the challenges faced in the 1980s. There's a general appreciation for the historical perspective offered by the blog post.
An interactive, annotated version of the classic "Unix Magic" poster has been created. This online resource allows users to explore the intricate diagram of Unix commands and their relationships. By clicking on individual commands, users can access descriptions, examples, and links to further resources, providing a dynamic and educational way to learn or rediscover the power of the Unix command line. The project aims to make the dense information of the original poster more accessible and engaging for both beginners and experienced Unix users.
Commenters on Hacker News largely praised the interactive Unix magic poster for its nostalgic value, clear presentation, and educational potential. Several users reminisced about their experiences with the original poster and expressed appreciation for the updated, searchable format. Some highlighted the project's usefulness as a learning tool for newcomers to Unix, while others suggested improvements like adding links to man pages or expanding the command explanations. A few pointed out minor inaccuracies or omissions but overall considered the project a valuable resource for the Unix community. The clean interface and ease of navigation were also frequently mentioned as positive aspects.
This blog post from 2004 recounts the author's experience troubleshooting a customer's USB floppy drive issue. The customer reported their A: drive constantly seeking, even with no floppy inserted. After remote debugging revealed no software problems, the author deduced the issue stemmed from the drive itself. USB floppy drives, unlike internal ones, lack a physical switch to detect the presence of a disk. Instead, they rely on a light sensor which can malfunction, causing the drive to perpetually search for a non-existent disk. Replacing the faulty drive solved the problem, highlighting a subtle difference between USB and internal floppy drive technologies.
HN users discuss various aspects of USB floppy drives and the linked blog post. Some express nostalgia for the era of floppies and the challenges of driver compatibility. Several commenters delve into the technical details of how USB storage devices work, including the translation layers required for legacy devices like floppy drives and the differences between the "fixed" storage model of floppies versus other removable media. The complexities of the USB Mass Storage Class Bulk-Only Transport protocol are also mentioned. One compelling comment thread explores the idea that Microsoft's attempt to enforce the use of a particular class driver may have stifled innovation and created difficulties for users who needed specific functionality from their USB floppy drives. Another interesting point raised is how different vendors implemented USB floppy drives, with some integrating the controller into the drive and others requiring a separate controller in the cable.
"Mac(OS)talgia" is a visual exploration of Apple's interface design evolution from System 1 to OS X Yosemite. It showcases screenshots of key applications and system elements, highlighting changes in typography, iconography, and overall aesthetic over time. The project acts as a nostalgic retrospective for long-time Mac users, demonstrating how the interface has progressively shifted from simple black and white pixels to the refined, flat design prominent in modern macOS versions. The curated collection emphasizes Apple's consistent pursuit of user-friendly and visually appealing design, tracing the gradual development of their signature digital aesthetic.
Hacker News users generally expressed appreciation for the Mac(OS)talgia project, praising its attention to detail in recreating the look and feel of older Macintosh systems. Some commenters shared personal anecdotes about their experiences with early Macs, evoking a sense of nostalgia for simpler times in computing. A few users pointed out specific inaccuracies or omissions in the recreations, offering corrections or suggestions for improvement. There was also some discussion about the challenges of emulating older software and hardware, and the importance of preserving digital history. A recurring sentiment was that the project effectively captured the "soul" of these classic machines, beyond just their visual appearance.
Colossus, built at Bletchley Park during World War II, was the world's first large-scale, programmable, electronic digital computer. Its purpose was to break the complex Lorenz cipher used by the German High Command. Unlike earlier code-breaking machines, Colossus used thermionic valves (vacuum tubes) for high-speed processing and could be programmed electronically via switches and plugboards, enabling it to perform boolean operations and count patterns at a significantly faster rate. This dramatically reduced the time required to decipher Lorenz messages, providing crucial intelligence to the Allied forces. Though top-secret for decades after the war, Colossus's innovative design and impact on computing history are now recognized.
HN commenters discuss Colossus's significance as the first programmable electronic digital computer, contrasting it with ENIAC, which was re-wired for each task. Several highlight Tommy Flowers' crucial role in its design and construction. Some discuss the secrecy surrounding Colossus during and after the war, impacting public awareness of its existence and contribution to computing history. Others mention the challenges of wartime technology and the impressive speed improvements Colossus offered over previous decryption methods. A few commenters share resources like the Colossus rebuild project and personal anecdotes about visiting the National Museum of Computing at Bletchley Park.
The blog post argues that file systems, particularly hierarchical ones, are a form of hypermedia that predates the web. It highlights how directories act like web pages, containing links (files and subdirectories) that can lead to other content or executable programs. This linking structure, combined with metadata like file types and modification dates, allows for navigation and information retrieval similar to browsing the web. The post further suggests that the web's hypermedia capabilities essentially replicate and expand upon the fundamental principles already present in file systems, emphasizing a deeper connection between these two technologies than commonly recognized.
Hacker News users largely praised the article for its clear explanation of file systems as a foundational hypermedia system. Several commenters highlighted the elegance and simplicity of this concept, often overlooked in the modern web's complexity. Some discussed the potential of leveraging file system principles for improved web experiences, like decentralized systems or simpler content management. A few pointed out limitations, such as the lack of inherent versioning in basic file systems and the challenges of metadata handling. The discussion also touched on related concepts like Plan 9 and the semantic web, contrasting their approaches to linking and information organization with the basic file system model. Several users reminisced about early computing experiences and the directness of navigating files and folders, suggesting a potential return to such simplicity.
Summary of Comments ( 43 )
https://news.ycombinator.com/item?id=43667010
HN commenters discuss various aspects of Code Page 437. Some recall using it in early PC gaming and the limitations it imposed on game design. Others delve into the history of character sets and code pages, including the inclusion of box-drawing characters for creating UI elements in text-based environments. Several speculate about the specific inclusion of the "house" character (⌂), suggesting it might be a remnant of a planned but never implemented feature, potentially related to home banking or smart home technologies nascent at the time. A few commenters point out its resemblance to Japanese family crests (kamon) or stylized depictions of Shinto shrines. The impracticality of representing a real house address with a single character is also mentioned.
The Hacker News post "Why is there a “small house” in IBM's Code page 437?" has generated several comments exploring the rationale behind the inclusion of seemingly unusual characters in early character sets.
Several commenters delve into the practical constraints and design decisions of the era. One commenter highlights the limited space available in the 8-bit character encoding (256 characters), necessitating careful selection of included glyphs. They explain that the "house" character, along with others like card suits and music notes, likely stemmed from the need to represent common elements used in business and personal computing at the time. This is further corroborated by another comment mentioning early computer games and text-based interfaces, which could utilize these symbols for simple graphics. The house, in particular, is suggested to have been potentially useful for diagrams or simple representations of data hierarchies.
Another thread of discussion revolves around the influence of Teletext on character set design. A commenter notes the similarity between some Code Page 437 characters and those used in Teletext systems, which were popular in Europe at the time. This suggests a potential borrowing or cross-pollination of ideas between these systems. The limited graphical capabilities of early computer displays meant that these simple symbols provided a rudimentary way to convey visual information.
The idea of representing concrete objects is also discussed. One commenter speculates that the inclusion of concrete objects like the house symbolized the potential of computers to represent and interact with the real world, a concept quite forward-thinking for the time.
A few commenters share personal anecdotes about using these characters in early programming and text-based adventures, emphasizing their practical application in the pre-GUI era.
Finally, the discussion touches on the broader history of character encoding and the evolution from these simpler sets to the more complex and expansive Unicode standard. Commenters acknowledge the limitations of Code Page 437 and its contemporaries while appreciating their historical significance in the development of computing.