Tutorials Use ArcView 

Working With Shapefile

A Shapefile is the Arc View GIS format for stroring geometry and attribute information for a set of geographic features. The geometry for a feature is strored as a shape comprised of a set of vector (point, line & polygon) coordinates.

The Shapefile Format

.shp

Stores the feature geometry (shape and   location  iinformation)

.shx Stores the index of the feature geometry
.dbf A dBASE file that strores the attribute information for the features
.sbn & .sbx Used for indexing spatial data
.ain & .aix Used for indexing attribute data

.avl

Stores the legend of spatial data

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