What is the term used to describe unwanted software that installs along with the application software that you originally downloaded and installed?

Which of the following commands changes the name of the file assigned to a variable such as: File=memo?

a: mv $File $Filex b: mv $File momoX c: mv $File ${File}X d: mv memo $FileX e: mv $FileX $FileX

Which scp command would you use to copy your home directory from plum to the local system?

What will be an ideal response?