nohup - A command used to run a process without it dying or getting a kill signal when you logut of your shell. Usage: nohup ./executable -options.
Shell Script - A simple way of making a file that is executable by linux, and can contain advanced parameters such as nohup, or renice, as well as other program dependent options.
Pico - A advanced text editor for linux, which comes with an advanced GUI system, making it more simple to use than VI or other text editing applications.
VI - Another advanced text editor for linux, it is however alot more complicated with the lack of a real graphical user interface, and relys on commands to perform functions. It is however more useful and more powerful than Pico and other text editors.