Skip to main content

Slashdot: Remembering How Plan 9 Evolved at Bell Labs

Remembering How Plan 9 Evolved at Bell Labs
Published on February 26, 2024 at 12:04AM
jd (Slashdot reader #1,658) writes: The Register has been running a series of articles about the evolution of Unix, from humble beginnings to the transition to Plan9. There is a short discussion of why Plan9 and its successors never really took off (despite being vastly superior to microkernels), along with the ongoing development of 9Front. From the article: Plan 9 was in some way a second implementation of the core concepts of Unix and C, but reconsidered for a world of networked graphical workstations. It took many of the trendy ideas of late-1980s computing, both of academic theories and of the computer industry of the time, and it reinterpreted them through the jaded eyes of two great gurus, Kenneth Thompson and Dennis Ritchie (and their students) — arguably, design geniuses who saw their previous good ideas misunderstood and misinterpreted. In Plan 9, networking is front and center. There are good reasons why this wasn't the case with Unix — it was being designed and built at the same time as local area networking was being invented. UNIX Fourth Edition, the first version written in C, was released in 1973 — the same year as the first version of Ethernet. Plan 9 puts networking right into the heart of the design. While Unix was later used as the most common OS for standalone workstations, Plan 9 was designed for clusters of computers, some being graphical desktops and some shared servers... Because everything really is a file, displaying a window on another machine can be as simple as making a directory and populating it with some files. You can start programs on other computers, but display the results on yours — all without any need for X11 or any visible networking at all. This means all the Unixy stuff about telnet and rsh and ssh and X forwarding and so on just goes away. It makes X11 look very overcomplicated, and it makes Wayland look like it was invented by Microsoft.

Read more of this story at Slashdot.

Labels:

Comments

Post a Comment

Popular posts from this blog

Slashdot: Battery Fires At Recycling Centres Are Costing the UK £1bn a Year

Battery Fires At Recycling Centres Are Costing the UK £1bn a Year Published on 2026-08-23T00:29:00Z Wrongly discarded lithium batteries, such as those in vapes, are causing more than 10 fires a week at U.K. recycling centers, according to figures shared with the Guardian: The Environment Services Association (ESA), the trade body for waste management companies, said its members had reported 1,518 fires in the year to March 2026. At least 541 of these fires were directly attributed to lithium ion batteries, the survey found. There were a further 216 battery fires in bin lorries [garbage trucks]. The ESA said the reported number of battery-related fires underestimated the scale of the problem, because in most incidents it was impossible to determine the cause of the blaze. A spokesperson said: "We know 40% of fires at recycling centres are caused by batteries, but we think the actual number is more like 70%." It estimates that annual cost of these fires has increased from ...
Post a Comment
Read more

Slashdot: How the FSF Sysadmins are Blocking Botnets with reaction

How the FSF Sysadmins are Blocking Botnets with reaction Published on 2026-07-11T21:47:00Z For nearly two years the Free Software Foundation has been fighting web crawlers (including many aggressively scraping training data for AI models). A botnet controlling about five million IPs hit one system for six months in 2025. Their systems administrator wrote this week that they view these as distributed denial-of-service attacks. How are they fighting back? We noticed patterns in the scrapers that were abnormal, which gave us material for writing regular expressions. Searching for the regular expression then gave us a large lists of IP addresses. Looking up the origin of those IP addresses revealed that some of the crawlers were using botnets of residential IP addresses to scrape faster and avoid detection. We looked for what kinds of botnets might be generating the kind of traffic that we were seeing, and one that we suspected was called the "Vo1d" botnet, comprised of sma...
Post a Comment
Read more

Slashdot: Spain-Backed Fund Joins FOSSA's Sovereign Satellite Communications Push

Spain-Backed Fund Joins FOSSA's Sovereign Satellite Communications Push Published on 2026-06-28T22:05:00Z Spanish startup FOSSA Systems "has raised about $10.5 million to expand its connectivity constellation," reports Space News, noting some funding is backed by Spain's government: The support from the Spanish Society for Technological Transformation (SETT) comes a year after the fund injected 14 million euros into Spain's Sateliot , which is also developing a satellite connectivity network with security and defense applications. Spanish private investment firm Kibo Ventures led FOSSA's funding round, the six-year-old venture announced June 24, bringing its total raised to date to nearly 20 million euros. The proceeds will help fuel FOSSA's push beyond the tiny picosatellites it once used to connect low-power monitoring devices toward larger cubesats in low Earth orbit, enabling additional sovereign communications and space-based intelligence capab...
Post a Comment
Read more