.SYM File Extension

Developer file used by software development applications; saves non-essential information for the actual program binary executable files, but instead contains symbols that can be used for gathering program information while debugging; can include function and variable names and other useful debugging information.

Symbol file created and used by gEDA, a CAD suite used to design PCB layouts and electronic schematics; stores symbol data, which includes the gEDA/gaf format version and XY coordinates for lines, boxes, circles, arcs, text, and pins.

File used by TatukGIS mapping software; saves a symbol, which is a shape or object that can be placed on the map and scaled according to the map system coordinates; used for marking boundaries and points of interest.