$93\mathrm{.}3\%$ complete

Question

A senior Linux engineer explains the process of package management to a junior support technician. The engineer talks about how administrators had to manually perform this particular aspect of the process many years ago. The engineer explains that most modern package managers will install these automatically. The engineer is referring to what concept?

A$.$Code signing

B$.$Software dependencies

C$.$Compiling

D$.$Documentation