Usage - "vi filename", or "vi existingfilename".
All commands are case sensitive:
vi filename - start editing a file i - start inserting characters (you can type your text after pushing i) o - insert new line under line the cursor is in, you can immediately start typing ESC - stop inserting characters yy - Copy line. p - Paste. u - Undo. dd - delete a whole line x - delete a single character :w - write the file :q - quit VI :wq - write the file, then quit vi :q! - quit vi and lose any changes you made. ZZ - Save and exit.
Editting the .profile to make new files read/write for everyone. This will prevent downloading problems from slug to pc