Unix

Is a multitasking operating system.

Universal serial bus (USB)

A high-performance device found on computers,scanners, and printers etc.

Uninterruptible power supply (UPS)

Is a power supply with a battery to maintain power in a possible power outage.

Troubleshooting

Means to find the source of a problem and fix it.

Tree pane

A tree pane shows a list of what can be display on the content pane.

Toolbar

A row of selectable buttons that give the user an easy way to access desktop, application or Web browser
functions.

Title bar

Is the bar on top of a window.