please answer this questions based on virtual machine and linux

1 (above)? 3. Your virtual machine is likely displayed as just a small portion of your screen. (example image if your curious) This is likely due to not having the "guest additions" for virtualbox installed. INSTALL them. What were the basic steps to install guest additions on your machine? 4. When using virtualbox, the mouse is sometimes captured in the guest window. What is the default keystroke(s) to release the mouse back to the host? 5. "update-alternatives" command is used to set your default editor for when you use command line utilities. a. What command would you use to change/update "just the default editor? (show screensnip of command and output.. Make sure to set this to the vim.basic alternative) b. Name a terminal utility that makes use of this setting? 6. Show an apt command to list all software packages installed on your vm to a terminal. 7. Give/find a command line "command" that will list all packages (installed). Do "not use apt or apt-get for this question. Find another terminal command. List here. 8. What command could you use to re-download and re-install the "tar" package. Note do not uninstall and then install (that is 2 steps). Rather one command to re-install 9. Why do most applications come with dependencies" associated with them