A terminal is a device for remotely accessing a computer. A TTY is a Teletype, a kind of printing terminal; it takes input one character at a time and outputs o

A terminal is a device for remotely accessing a computer. A TTY is a Teletype, a kind of printing terminal; it takes input one character at a time and outputs one character at a time. A shell is the program that reads what commands the user, sitting at his teletype, wants to invoke. A console is the set of toggle switches on the front of your computer you use to load the bootstrap.