LINUX/UNIX COMMANDS

1) The cursor is at the a in the word Hat. You are in command mode. What happens when you type in rob? 2) What command joins the next line with the current line? 3) The cursor is located at the first character of the word quit. What happens when you type in Red while in command mode? 4) What command do you use to replace one character with all of the characters you type in until you press ESC? 5) What command do you type to remove one word and add new text? 6) What command do you use to replace the entire current line with whatever text you enter? 7) What command deletes text from the cursor to the end of the current line and puts you in append mode? 8) What command deletes text from the cursor to the first occurrence of a specified character H and puts you in append mode to add new text? 9) What command instructs vi to locate every instance of the pattern bill and to substitute the pattern tom through all the lines in the file? 10) What command puts into memory seven lines starting with the cursor line? 11) What command pastes whatever was yanked