The internet dictionary:

&

Ampersand . In HTML(web)documents, used with special codes to indicate special characters(the HTML for ampersand itself is&amp).

<> 

Angel brackets or brackets.

1. used to surround address return paths in e-mail headers;

2.in IRC, MUDs, and some e-mail and usenet posts,brackets surround descriptions; for example,<looking over my left shoulder>or <groan>.

@

At . in the internet used for separating the user name from domain.

\

Backslash or backslant.

1.       In DOS paths,it  seorates directories and subdirectories;

2.       In UNIX, It preceds switches(command line arguments)

^

1.       Caret ,at hat

2.       Indicates an exponent(for example,x^2 means x² that is x squared)

3.       Sometimes used in e-mail and usenet posts to underscore and emphasize text on the preceding line

^]

caret  right bracket. This pair of characters sometimes represents escape. If you see it it mean that some application is misinterpretting something.

:

 Colon.In URLs , a colon appears after the protocol name, In e-mail and usenet posts sometimes indicates included text.

,

Comma . In usenet newsreaders you can often cross post your article to several grops by simply listing them one after another, seprated by comma. Likewise in most e-mail programs you may list several recipients the same way,seprated by commas.

.

The seprater character for domain names,newsgroup names and other UNIX oriented files.

..

Double dot in UNIX (as in DOS ), The abbreviation for a parent directory.

--

doublle hyphen . Many and newsreaders automatically include a line  containing just two hyphens before appending a signature .  many anonymous remailers strip off any part of a massage following  such a line to make sure a line  to make sure that sig blocks are not included by mistake.

“

Double quotation mark. They surrounds URLs in web HTML documants.

 >> 

Double right angel brackets . In UNIX, they append the redirected output of a command to the end of a file.

//

Double slash. In URLs, the separator between the protocol and the site name.

!

Exclamation point or bang .  

1.       It precedes eachsite in the UUCP bang path;

2.       In some UNIX programs, it enables the user to shell out

3.       Overuse of exclamation mark to punchuate usenet posts is one of the hallmarks of a newbie or a B1FF.

#

Number sign , pound sign and hash,or octo thorp.

1.       In the UNIX ftp program , if the command hash is given one hash is appears on the screen for every kilobyte  of data transferred;

2.       In web reference # indicates the start of an anchor within a specified HTML document.

ABE

(RHYMES WITH BABE) A DOS  binary to ASCII  conversion programs gopher and lynx.

ABEND

(ab-end, n )A computer crash (from the abnormal end error message).

 abstract syntax

a syntax (a set of rules for a properly formed commands) that  is not limited to a single application or  platform.

Abstract syntax notation one (ASN.1)

An OSI language used to encode simple network management protocol packets, part of the infrastructure of the Internet.

 acceptable use

internet service providers require that all their users agree to some guideline of acceptable use of internet  and usenet resources . Acceptable use policies vary from provider to provider.

Access

1.       A connection to the internet;

2.       A type of internet connection (such as network access, dial-up access, etc)

3.       The degree of ability to perform certain activities or read privileged information

Access control list (ACL)

A site’s table of services and hosts authorized to use those services.

Access privileges:
Authorization for a specific level of access.

Account:

A form of access to a computer or network for a specific username and password, usually with a home directory, an e-mail inbox, and set of access priv

Ileges.

 ACK:

Rhymes with pack

1.       Acknowledgment from a computer that a packet of data has been received and verified;

2.       The mnemonics for the ASCII character number

Active star:

A network design(a way of arranging the devices themselves in a network )in which a central hub retransmits traffic.

ActiveX controls:

ActiveX  controls are part of a Microsoft technology that allows a compliant browser, namely Internet Explorer ,to run a program within a web page as if it were the program itself. In order for this to work, ActiveX must be enabled in your browser settings.

Add/strip

A macintosh shareware program that inserts or deletes carriage returns(ASCII 13) at the end of each line of a text file , for conversion between macintosh and UNIX systems.

Address:

A unicque identifier for a computer or site on the internet- this can be a numerical IP-address (logical address)or a textual domain name address.

Address book:

In some programs, a list of abbreviation for a e-mail address.

Address command:

A UUCP address command that provides additional routing and conformation options to the basic file transaction that underlines UUCP.

ADDRESS MAPPING TABLE:

A table used to resolve physical address into logical address.

Address mask:

The portion of an ip address that identifies the network and subnet .