PSS
—-
British Telecom's Packet Switch Stream, an X.25 packet data
network.

PTT
—-
Postal Telegraph and Telephone. A telephone service provider, often
a monopoly, in a particular country.

QWK —- Qwikmail. A common offline message file format for bulletin boards offering mail through a QMail Door. The .QWK door and file format has been used to develop entire BBS networks (example: ILINK.) See "offline reader."

RFC
—-
The Internet's Request for Comments document series. Working notes
of the Internet research and development community.

Script files
——————
A set of commands that enable a communications program to execute a
given set of tasks automatically (macro commands).

Server ——— A provider of resources (e.g., file servers and name servers).

SIG —- Special Interest Group.

Snail mail
—————
A pejorative term referring to the national postal service in
different countries.

String search ——————- A method for searching a database. Works like the search function in a common word processor program. On online services, your commands will often search the full document (including the title, subtitles, keywords, and the full text). Sometimes, string searches just return a line or a few lines around the hit. In other cases, they return the full screen or the full document.

Sysop
——-
Common name used on bulletin boards for System Operator. This is
the person in charge of maintenance and helping users.