Windows Explorer

An application that is part of the modern version of the microsoft windows operating system.

Window

A section of a display sceen that can be created for viewing information from another part of a file.

Wildcard characters

A special symbol that stands for one or more characters.

Wide area networks (WANs)

That spans to a really large area.

Virus

A program that can infect your computer.

Utility software

Any software that perform  some specific task that is secondary to the amin purpose of using the computer nut is not essential to the operation of the computer.

Unix

A multitasking operating systsem found on many types of computer.