C D E F
G H I J
K L M N
O P Q R
S T U V
W X Y Z
ADSL (Asymmetric Digital
A means of sending data over a standard phone line. ADSL is
much faster than a standard phone connection and runs 'along side' it, allowing
simultaneous use of both telephone and internet.
Apache is open-source Linux or FreeBSD based Web server software.
ASCII (American Standard
Code for Information Interchange)
The worldwide standard for coding text files, used by computers to represent all the upper-case and lower-case
Latin letters, numbers and punctuation marks etc. There are 128 standard ASCII
codes each of which can be represented by a 7 digit binary number: 0000000
through 1111111, plus parity.
An attachment, in computer terms, refers to a file that is typically sent with
an email. For example a 'jpeg' photo or 'word' document.
The amount of data that can be transferred through a connection during a set
FTP client mode used to transfer binary (non text) files such as exe. or zip
unit of computerized data: a single digit number in base-2, (either a 1 or
a zero). Bandwidth is usually measured in bits-per-second.
A measurement of how fast data is moved from one place to
another. A 56k modem can move 56,000 bits per second.
Software that is used to look at (browse) the internet. For example, Microsoft Internet Explorer.
Catch-all Email Forwarding
Any email sent to firstname.lastname@example.org is automatically forwarded to
your current email address. Catch-all email will also 'catch' misspellings of
your email address and redirect the email to your email account.
CGI (Common Gateway
A set of rules that describe how a web server
communicates with another piece of software on the same machine, and how the
other piece of software (the 'CGI program') talks to the web server. Any piece
of software can be a CGI program if it handles input and output according to the
CGI standard. Usually a CGI program is a small program that takes data from a
web server and does something with it, like putting the content of a form into
an email message, or running a hit counter.
Most common name of a directory on a server where the executable CGI scripts
reside. The 'bin' part of 'cgi-bin' stands for 'binary' although these days most programs found in cgi-bin directories are text files.
Hit counters, guest books,
forms and many other useful items can be programmed with CGI scripts.
Cookies are small data files written to your hard drive by some websites. These
files contain information the site can use to track such things as passwords,
lists of pages that you've visited, and the date when you last looked at a
Central Processing Unit. The heart of your computer.
DNS (Domain Name System)
DNS is a core feature of the
Internet. It is a distributed database that handles the mapping between domain names and their
numerical Internet addresses, ie: www.yourdomain.co.uk instead of, say,
Domain Names are easier for a user to remember (ie: yourdomain.co.uk)
than a long IP address (ie: 126.96.36.199). When a user types a domain name into
a browser the DNS locates the registered domain name and translates that into a
numeric IP address so that you can view the domain's website with a browser.
Domain Name Registration
The process of registering a domain name. For example if you wanted to set up a
website with the name www.bobsbiscuits.co.uk the first thing to do would
be to register the domain name to yourself (or your business) and then to order
web hosting so that your website could go online.
The practice of registering a domain name and 'holding on to it' before you are
actually ready to use it.
Email (or E-Mail)
Electronic Mail. Messages sent from one person to another, via
An filename extension is the part of a filename after the "dot".
It usually tells operating systems what type of file it is. For example
'index.html' or 'picture.jpg'
From Symantec: "Symantec's Norton™ Personal Firewall keeps hackers out and personal data
in. It makes robust firewall protection easy by automatically hiding your
PC on the Internet and blocking suspicious connections."
The set of
files that offer websites produced with Microsoft FrontPage additional
functionality. Enabling forms, hit counters, search features and other
features to be set up and function with ease. FrontPage Extensions are
pre-installed on our 'Business Host Plus' and 'Business Host Pro'
(File Transfer Protocol)
website has been designed it is uploaded to the hosting server typically
via an FTP program. We recommend the industry standard 'WS_FTP Pro' for
transferring and uploading files, available from
A graphic image format developed for use by CompuServe which has since
become one of the Internets most popular formats for graphics containing
up to 256 colours.
1024 Megabytes = 1 Gigabyte.
A 'hit' is a single request from a web browser for an individual item from
a web server. A web page containing text and three graphic files would
count as '4 hits' one for the HTML
page, and one for each of the 3 graphics. Users often confuse 'hits' with
actual 'unique visitors' when discussing how many visitors their website
Homepage (also Home
or Home Page)
The first page or 'front page' of a website.
Equipment and services to 'house' or 'host' a website and to
provide Internet connections to that site, so that it may be found on the
World Wide Web.
(HyperText Markup Language)
The coding language used to create
Hypertext documents for use on the World Wide Web. HTML files are designed
to be viewed using a browser such as Internet Explorer.
(HyperText Transport Protocol)
The protocol for moving hypertext files
across the Internet. Requires a HTTP client program on one end, and an
HTTP server program on the other end. HTTP is the most important protocol
used on the World Wide Web.
Hyperlink (also Link)
Words or phrases in a document which
cause another document to be seen when 'mouse clicked'.
A system of linked computer networks, international in scope, that
facilitates data transfer and communication services, such as remote
login, file transfer (FTP), email, newsgroups, and the World Wide Web.
The physical network, usually relying on fibre optic
cable, that carries Internet traffic between different networks and is
measured in megabits per second.
IP Address (Internet
The unique number assigned to every computer linked to the Internet. Your
ISP provider assigns you an IP address each time you connect to the
(Integrated Services Digital
A set of communications standards that enable a single wire (or optical
fibre) to carry voice, data, and video. It gives a user up to 56K of data
bandwidth on a phone line (when also used for voice) or up to 128 Kilobits
per second if the line is only used for data.
(Internet Service Provider)
that offers Internet access. For example btopenworld.com.
create dynamic pages that react to user interaction.
(Joint Photographic Experts
JPEG files contain compressed images. They are used to store
graphics and because of their compression features they
are better suited for photos as opposed to outline drawings. JPEGs are
'lossy' meaning that the compressed image isn't quite as good as the
Abbreviated as K or KB or Kb. A unit of measurement equivalent to one
thousand bytes of computer memory or disk capacity.
(Local Area Network)
A computer network limited to the immediate area,
usually in the same building.
Linux is a free operating system originally created by Linus Torvalds of
Finland. Linux is based on the Unix operating system and includes features
such as true multitasking, memory management, virtual memory, demand
loading, networking, and shared libraries.
The act of connecting to or accessing a remote computer system, network,
server, or website. To login you generally need a 'username' and
A million bytes. A thousand kilobytes.
The HTML meta tag is used to describe the contents of a webpage, including
its title, keywords, and description. Many search engines use spiders to
index web pages based on the information gleaned from meta tags, body
text and more.
(Multipurpose Internet Mail Extensions)
industry-standard code that defines how an email message is sent in code,
and then decoded when received, at its destination. It is actually a
protocol for email that enables the transmission of non-text data, such
as graphics, audio, video, and other binary types of files.
device you connect to your computer (normally built-in) and to a phone
line. It enables the computer to talk to other computers through the phone
system. Basically, modems do for computers what a telephone does for
Computers that perform the mapping of domain names to IP addresses.
Any time you connect two or more computers together so that they can share
resources, you have a computer network.
Perl is a general-purpose programming language originally developed for text
manipulation and now used for a wide range of tasks including system
administration, web development, network programming, GUI development, and more.
A script language and interpreter that is freely available, primarily for
use on Linux Web servers. As with Active Server Pages, the PHP script is
embedded within the HTML code of a Web page. Its ease of use and
similarity with the most common structured programming languages, most
notably C, Java and Perl, allows most experienced programmers to start
developing complex applications with a minimal learning curve.
A small piece of software that allows you to view
content of differing formats. Common Plug-ins include QuickTime, Windows Media
Player, Shockwave and Real Audio.
POP3 Email (Post
Office Protocol 3)
POP3 Email allows you to send and receive email using your new domain name
(as opposed to the one supplied by your Internet Service Provider) via an
email program such as Microsoft Outlook Express or via WebMail from any
location in the world.
The process of updating name servers around the world when your IP address,
name servers, or zone record changes. Propagation can take anywhere from 24 to 72
hours to fully update.
Red Hat is the world's most trusted provider of Linux and open source
technology running systems of all sizes and powering
mission-critical computing operations.
Register (Domain Name)
Since every domain is unique, registries have been set up to assign domains to
individuals and organisations. When a domain is registered with the appropriate
registry, that domain is assigned and is no longer available for anyone
else to use.
Registrant (Domain Name)
The person/business that will be using the registered domain name.
A server or a collection of servers dedicated to indexing internet pages,
storing the results and returning lists of pages which match search
queries. The term Search Engine is often used to describe both directories
(ie Yahoo.com) and search engines (ie Google.com).
A computer, or a software package, that provides a specific kind of service to
client software running on other computers. The term can refer to a particular
piece of software, such as a WWW server, or to the machine on which the software
(Simple Mail Transfer Protocol)
A protocol for sending email messages across the
Internet. It is used in conjunction with both POP3 and IMAP protocols that
enable you to download messages from a mail server to your computer. SMTP is
used for out going mail while POP3 and IMAP are used for incoming mail.
Unsolicited mass email - never respond to spam.
Also known as Web Crawlers or robots, a Spider is a software program that
automatically scans the web indexing websites. Search engines use spiders
to find what's on the web and then construct an index of the pages that
(Structured Query Language)
programming language for sending queries to databases.
SSI (Server-side includes)
HTML-embedded directives that instruct
the web server to include data in the HTML document. SSI is an alternative to
SSL (Secure Sockets Layer)
A method of ensuring that information submitted through your website is secure
and cannot be accessed by unauthorized users. Information submitted via an
SSL-secured form is transmitted in an encrypted state. SSL is most
commonly used for online credit card transactions.
Detailed information regarding visits to your website, including the number of
hits, the source of those hits, the most popular pages and so on.
Using the World Wide Web is often referred to as 'surfing' or browsing the web.
1024 Gigabytes = 1 Terabyte.
Each time visitors access a webpage, image, audio, video or other element on
your site, traffic is generated. Your 'traffic' is the sum of all
outward-bound, inward-bound, email and FTP traffic.
The term refers to the process of transferring your domain name 'in' to a new
company for web hosting and email services. To 'transfer in' to Trilltec.com
please email support for details.
A computer operating system (the basic software running on a computer,
underneath things like word processors and spreadsheets). UNIX is designed to be
used by many people at the same time (it is multi-user) and has TCP/IP built-in.
It is the most common operating system for servers on the Internet.
UPS (Uninterruptible Power Supply)
UPS keeps web servers and other supporting network
devices running during a power outage.
URL (Uniform Resource
A term that describes the location and access method of a resource on the
Internet. For example, the URL http://www.yourdomain.co.uk describes the
type of access method being used: http - the protocol, and the server
location that hosts the website: www.yourdomain.co.uk - the address.
A virus is a malicious program written to do as much harm as possible. Viruses spread themselves over the
internet. All internet users should install Anti-Virus software.
The artificial network generated by the millions of websites existing on the Internet today. While the Internet is a large network of
machines which carry various forms of data, the 'Web' is the term used for all
of the websites on the Internet.
Unique identifier of a web page, ie www.yourdomain.co.uk.
Also known as
spiders or robots are software programs that automatically scan the web indexing
websites. Search engines use crawlers to find what's on the web and then
construct an index of the pages that were found.
Equipment and services to 'house' or 'host' a website and to
provide Internet connections to that site, so that it may be found on the
World Wide Web.
A website or web site is a collection of web pages (or a single 'home page')
accessible via the World Wide Web on the Internet.
Your domain is
pointed to a different URL on the Internet (typically 'free' web space) and the
destination website address appears in the browser. The down side is that search
engines can't index your site under your registered domain name - it will be
indexed under the free web space address instead, which may look something like
this: http://www.freeservice.com/kl32x/yournamehere/index.html For this
reason web redirection is not recommended.
A computer that
stores Web documents and makes them available to the rest of the world.
Most registries maintain a database of domain names and their associated contact
information. Users can query these databases through a program called Whois.
WWW (World Wide Web)
'The Web,' as it is more commonly called, can best be described as a collection of
'pages' on the Internet that can be read and interacted with via a
computer. You'll need an Internet connection, a computer, a Web browser, and a few
specialised programs to access and view this information online.