PawPrint.net Glossary of Terms

A simple, very flexible text format derived from SGML (ISO 8879). Originally designed to meet the challenges of large-scale electronic publishing, XML is also playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere.

It usually consists of a metallic conductor pattern on an organic insulating substrate, more complex circuits have several layers stacked togeather. After assembly where components are added, it is known as a printed wiring assembly (PWA).  

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 Aberration or defect that causes straight lines to bow outward, away from the center of the image.

A simple, very flexible text format derived from SGML (ISO 8879). Originally designed to meet the challenges of large-scale electronic publishing, XML is also playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere.