The short version
Community UNIX shell and email service whose membership earns a direct user recommendation.
From the HackerLinks archive
SDF Public Access UNIX System
Community UNIX shell and email service whose membership earns a direct user recommendation.
At a glance:
First seen:2026-10-29
Last seen:2026-10-29
Times seen:1
Website:sdf.org
Why it caught our attention
A user recommends supporting the service and identifies email as sufficient personal value.
Where it surfaced on Hacker News
2026-10-29
“If anyone has the money to spare I'd suggest using $36 to get lifetime ARPA level membership to both SDF.org and SDF-EU.org (so a total of $72). Even if it sits idle. As a way to support the service to continue running. For me the email alone is worth it.”
rustyhancock · recommendation · first hand use
Direct HN comment
A Love Letter to the Super Dimension Fortress