This document describes various file handling functions in Ring programming language including Read(), Write(), Dir(), Rename(), Remove(), Fopen(), Fclose(), Fflush(), Freopen(), Tempfile(), Tempname(), Fseek(), Ftell(), and provides examples of how to use each function to read, write, modify and get information about files. It also covers opening and closing files, seeking to different positions in a file, generating temporary file names and more.