18 Using PostgreSQL from the Command Line
In this chapter, you’ll learn how to work with PostgreSQL from the command line, a text-based interface where you enter names of programs or other commands to perform tasks, such as editing files or listing the contents of a file directory.
The command line—also called a command line interface, a console, a shell, or the terminal—existed long before computers had a graphical user interface (GUI) with menus, icons, and buttons you could click for navigation. Back in college, to edit a file, I had to enter commands into a terminal connected to an IBM mainframe computer. Working that way felt mysterious, ...
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