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Vim is a powerful text editor that has features like syntax highlighting, spell checking, auto-indentation, and much more. The learning curve for Vim can be steep, but it can be a great time saver in the long run. The simplest way to learn vim is to type vimtutor at the shell prompt. This will walk you through the basics of the editor, from within the editor. You may also wish to follow a web-based vim tutorial.
Saving Your Work Between Sessions (tmux)
tmux is a tool for managing terminal sessions. Using tmux you can organize your sessions into panes and windows or save your work between sessions. An introductory tutorial can be found at: