You will likely get a much faster response by emailing [email protected] directly. There is also [email protected] — you can refer to the abuse page for details.

mastodon.sdf.org/@SDF and social.sdf.org/@SDF are the Mastodon accounts.

Plan 9 is a research operating system developed by Bell Labs as a successor to UNIX.

I would suggest starting somewhere like here to get an idea of what it’s about, as well as checking out this video from one of 9front’s core contributors.