PawPrint.net Glossary of Terms

The full name for the commonly abbreviated Blog (so common is the use of Blog that few now even know the derivation)

It usually consists of a metallic conductor pattern on an epoxy glass composite 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).  

An extensible file format for the lossless, portable, well-compressed storage of raster images. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel for transparency. Sample depths range from 1 to 16 bits per component (up to 48bit images for RGB, or 64bit for RGBA).

ln [options] sourcename [destname]

ln [options] sourcenames destdirectory



Create pseudonyms (links) for files, allowing them to be accessed by different names. In the first form, Link sourcename to destname, where destname is usually a new filename, or (by default) the current directory. If destname is an existing file, it is overwritten; if destname is an existing directory, a Link named sourcename is created in that directory. In the second form, create links in destdirectory, each l...

A lens defect that bends light rays of different colors at different angles and therefore focuses them on different planes.

This is common with low-end digital cameras and small consumer point-and-shoot models.

A protocol developed to enable the transfer of files across a network. It provides a reletively insecure username and password  security but has been more recently enhanced to allow for SSL encryption to provide a secure password exchange.

To some extent the use of FTP has been superceeded by SFTP (a component of SSH) or the secure file transfer protocol.