Most systems have many text editors. Try to locate the one that will best meet your needs and learn it well enough that the editor supports you in accomplishing your primary task. Our system also has pico installed. It is available for many systems and is easy to use. The draw-back that pico has is that it has limited capabilities.
Many systems have multiple editors installed.
For most labs you can use the editor of your choice. Skip a line and then type in a paragraph. A few lines about yourself. Please use proper grammar and punctuation. Leave the editor, saving the file.