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Unix shell
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- 1SDF, the internet's oldest public access Unix system, turns heads again▼SDF Public Access Unix System ... est. 1987
SDF, a public access Unix system founded in 1987, offers free shell accounts to anyone on the internet. Users are sharing it as one of the longest-running community-run computing services still online, predating the modern web and maintained largely by volunteers. Many recall it as a rare surviving piece of early internet culture where anyone could get a real Unix login at no cost.
- 2Programmers recall building text-adventure shells as classic assignments●Surely some bright spark in # programming has thought to write a text-adventure shell. Heck when I was getting my CS deg
A programmer asked whether anyone has written a text-adventure style shell for Unix-like systems, recalling that writing a simple shell was a required assignment during their computer science degree, one they attempted with the parser tools flex and bison. The remark has drawn small engagement, with the nostalgic comparison between classic coursework and playful command-line interfaces resonating with other developers interested in shells and retro-style computing.
- 3Blogger argues the shell works well as a teaching environment●I jotted down some brief thoughts on using the shell as a teaching environment: https:// hgrsd.nl/blog/shell-based-tuto
A developer has published a short blog post arguing that the Unix shell is an effective environment for teaching programming concepts. The piece focuses on job suspension and foregrounding, suggesting these shell mechanics offer hands-on ways to explain how programs run and interact. The author shared the post with the programming and teaching communities, inviting discussion on shell-based tutorials.
- 4SDF public access Unix system, online since 1987, draws attention●SDF Public Access Unix System ... est. 1987 Article URL: https:// sdf.org/ Comments URL: https:// news.ycombinator.com/i
SDF, one of the oldest free public access Unix systems, founded in 1987, is drawing renewed attention among technology enthusiasts. Run as a nonprofit, it offers free shell accounts and community services to anyone with an internet connection, a rarity in the modern web. Commenters are praising its longevity, volunteer-run operation and role as a living piece of internet history that still welcomes new users.