To view, open it with a text editor.
To execute, right click - go to preferences, and make sure that "allow execution" is checked. Or: from the command line type: chmod +x [LINUX]...
To execute it, simply type the full location of the binary. If you are in the directory, that would be ./ for "this direcrtory" followed by the filename. If execution is enabled, you can also double-click it in your file-manager and choose "run"