The Gnome terminal is perfect for executing all types of Unix commands from any graphical environment, since it is compatible with non-Gnome environments. Allows you to configure a profile file to define all the customizations you want.

Gedit has some features that make it great. It includes syntax highlighting that allows to markup the different parts of the code files, that it's very useful to develop. But it also include the posibility of work with multiples tabs for editing simultaneous files or for example you can undo and redo along all changes that you do, not just the most recent. In general it's a very good rich text editor.

With the Gnome terminal you can do thousands of tasks thanks to the fact that it is compatible with all Unix commands. Being a GUI terminal maintains compatibility with graphic applications. Unlike other TTY's, it allows you to run applications based on GNU Courses and use the mouse to interact.