Linux system.

1. 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?

2. "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?

3. 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.