One of the first customizations users often make with GNS3 is the terminal application. The particular terminal application you use will depend on your underlying operating system and working out exactly what parameters you need to pass to your favorite application can be a mind-boggling experience. Luckily, there have been many enthusiasts who have contributed carefully crafted commands to launch a variety of terminal applications.
The terminal application is actually the part of GNS3 that you spend most time using, so making sure you have the right application, and settings that work best for you, is worth some effort. A summary of terminal application features that have pre-configured setting in GNS3 can be found at http://rednectar.net/2013/09/09/a-comparison-of-gns3-terminal-applications/. Choosing a good terminal application can save you a lot of configuration and debugging time. Some terminals have better support for some features than others. The features I find most...