1 If your wooden pallets contain low-grade engineered wood or cardboard, they may also contain formaldehyde and harbor all kinds of critters you don't want to know about.
Command shell overview. The command shell is a separate software program that provides direct communication between the user and the operating system. The non-graphical command shell user interface provides the environment in which you run character-based applications and utilities.
A command is a specific instruction given to a computer application to perform some kind of task or function. In Windows, commands are usually entered via a command line interpreter like Command Prompt or Recovery Console. Important: Commands must always be entered into a command line interpreter exactly.