Adobe Illustrator is a vector-based graphics and drawing program. It thus serves the production of computer graphics that can be changed arbitrarily without loss of quality in its size - as opposed to pixel-based paint programs such as Photoshop. The name "Illustrator" dismissed from the start point to the target group: illustrators, especially in the advertising industry. The program was established in 1987 by the California software company Adobe Systems for the Apple Macintosh developed and is still maintained and marketed by Adobe. It now runs on all major computer operating systems except Linux for years and is regarded as a standard application in the field of vector graphics.
From the classification forth between Illustrators are technically oriented, also vector-based CAD programs like AutoCAD and artistically oriented, pixel-based painting and image editing programs such as Painter and Photoshop. The only commercial competition, the illustrator has ever had, or was Microsoft Expression and Freehand. Historically, the first commercial illustrator graphic application software, the Bezier curves used to mathematically exact description of geometric shapes. Illustrator saves files in a proprietary format (. Ai), which in the mid-1980s established protocol language for laser printers, PostScript touched down. The software was still not a real PostScript editor.
