Dir, attrib, cd, and rem are all examples of:

Dir, attrib, cd, and rem are all examples of DOS Commands. dir command is used to display a list of files and folders contained inside your current folder. Attrib changes or views the attributes of one or more files. CD id for changing directory.  rem command is used to record comments in a script file.

Create an interactive presentation of ms powerpoint or any other presentation software in which define the product's characteristics, benefits, why people consider it, etc.