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1. Users: Basic Membership Level

USERS (free)

200MB disk quota / 5,000 files divided into 4 areas
mutt, pop3, imap, icq, twitter, bsflite (aim), local irc
games, mud, lynx, gopher, TOPS-20
webmail interface
traceroute, ping, whois, dig and more

after account validation

inbound ssh, ftp and sftp connections
elm, pine, alpine, mailx and rmail
bash, ksh, tcsh, rc and zsh
ed, ex, vi, pico, nano and emacs
http://yourlogin.sdf-eu.org
shell, awk and sed based CGI
free IRC access on weekends
USENET access (read/post), ClariNET access
hundreds of shell/network utilities

INSTRUCTOR (free)

Allows staff, volunteer or adjunct at an accredited college or K-12 to self-manage a virtual UNIX classroom. A prospective instructor should provide SDF with details regarding their class (such as a syllabus or lesson plan). Students create their own accounts and are then validated by the instructor. The ATutor CMS is also available for classes. Further details are available in the FAQ.

STUDENT (free)

Allows an enrolled student at an accredited college or K-12 school to be validated by a qualifying 'INSTRUCTOR'. The account provides a student with 'USERS' benefits, as well as development tools of the 'ARPA' membership. The student can retain this access by joining the 'ARPA' membership or will be made 'USERS' after the semester.

2. Arpa: Patron Lifetime Membership Level

ARPA ($36 one-time)

600MB disk quota / 15,000 files divided into 4 areas
lifetime membership for only $36
all features of the 'users' account
voting rights on system features and policies
private 'arpa' member server
outbound telnet, ssh, sftp, ftp, ytalk, irc, snarf, wget
gcc, elisp, perl, php, python, ruby
Twitter (ttytter), SDF VoIP, Voicemail and conferencing
UUCP mail and USENET / ClariNET newsfeed via dialup or TCP
50 domains to choose from for your URL
full CGI access for php, perl, python, ruby

3. MetaARPA: Sustaining Membership Level

MetaARPA ($36 annual)

1000MB disk quota / 60,000 files divided into 4 areas
ARPA membership is required (waiver)
access to private MetaARPA server
SSL encryption on personal web site
cron jobs managed via 'mkcron', screen, OpenLISP
Proxying via bouncers like irssi, psybnc
ssh tunnel/forwarding with alt port
access to svn, git, rsync and java
may write tutorials and system software
dynamic domain name service (mdns.org)
MOTD source code contrib access (no DBA)

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