Clicking through to an item on the sidebar, it's clear these were actual UNIX logins made available to researchers with approved projects:
"Research.archive.org houses the personal files of the users on the system. Each user has access to the directory /home/<login> for file storage. Since research.archive.org is NFS mounted on all of the hosts, a user's home directory <blah blah blah>...
...Individual hosts can be accessed using the remote shell (rsh) UNIX command. The hosts in the cluster have an auto-authenticating script, so the secure shell (ssh) command is unnecessary. Access to the hosts is limited depending on the type of user account that is held. User accounts directly on research.archive.org have access to..."
Here's a page with some tantalizing information, but I'm gathering from the lack of current info that maybe this access is a thing of the past:
https://web-beta.archive.org/web/20060209225202/http://www.a...
Clicking through to an item on the sidebar, it's clear these were actual UNIX logins made available to researchers with approved projects:
"Research.archive.org houses the personal files of the users on the system. Each user has access to the directory /home/<login> for file storage. Since research.archive.org is NFS mounted on all of the hosts, a user's home directory <blah blah blah>...
...Individual hosts can be accessed using the remote shell (rsh) UNIX command. The hosts in the cluster have an auto-authenticating script, so the secure shell (ssh) command is unnecessary. Access to the hosts is limited depending on the type of user account that is held. User accounts directly on research.archive.org have access to..."