PawPrint.net Glossary of Terms

Used in conjunction with the Internet Protocol (IP) to transmit information over the Internet in the form of units.

While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the packets that a message is divided into for efficient routing through the Internet. For example, when a web page is downloaded from a web server, the TCP program layer in that server divides the file into packets, numbers the packets, and then forwards them individually to the ...

The Set of rules to provide system management tools to monitor activity and create messages/alerts as required. Network devices that employ SNMP are frequently referred to as "Managed" devices.

Hypertext Markup Language is the Markup-Language that evolved as the basis for layout of web-pages. It is a derivitive of the first SGML languages and has since been superceeded by derivitives of XML refertred to as XHTML.

ls [options] [names]

List the contents of a directory or directories. This is similar to the dos command ´dir´ frequently abbreviated in many shells to ll for ls -l which lists files with long format. If no [names] then the contents of the current directory are listed.

Options
-1, --format=single-column
Print one entry per line of output.

-a
List all files, including the normally hidden files whose names begin with a period.

-b, --escape
Display nonprinting characters in octal an...

A lens with a short focal length that takes in a wide view of the subject. In the 35mm format, lenses with a focal length of 35mm or shorter are generally considered wide-angle lenses.

A measure of image resolution - typical screen resolution is 72 dip whereas printing presse print at 300dpi.

When measuring the resolution of an image you need to know both the physical size and the resolution (in DPI) to acertain the actual amount of data. For example:

An image that is 10 inches wide...

at 72dpi would be 720 pixels wide
at 300dpi would be 3000 pixels wide (roughly 3.5 times the resolution)