They must jump through the irrational and expensive hoops of the FDA, and patents are only 20 years (compare with corporate copyright of 75 years). This makes them pursue only blockbuster and knockoff drugs. Stuff for chronic diseases you're going to buy for years.
The boot device is the device from which the operating system is loaded. A modern PC BIOS (Basic Input/Output System) supports booting from various devices. These include the local hard disk drive, optical drive, floppy drive, a network interface card, and a USB device.
RAM disk - (computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors; access to a RAM disk is very fast but the data it contains is lost when the system is turned off.