In Unix it matters whether you type upper or lowercase letters. In many cases typing a number before a command causes that action to be repeated that number of times. Opens the named file if it exists, or creates new file and opens it. These keys move the cursor one line above, one line below, one space right, or one space left respectively.
Moves cursor to next word.
Moves cursor to last word. Moves cursor to the beginning of current line. Moves cursor to the beginning of the previous line. Moves cursor to the beginning of the next line. Moves cursor to the last line in the file.