Freebase(2.00 / 1 vote)Rate this definition: Proletariat. The proletariat is a term used to describe the class of wage-earners in a capitalist society whose only possession of significant material value is their labor; a member of such a class is a proletarian.
IBM Rational DOORS is a requirements management application for optimizing requirements communication, collaboration and verification throughout your organization and supply chain. This scalable solution can help you meet business goals by managing project scope and cost.
ThinkPad Button. The ThinkPad Button is a button situated in the upper left corner of the keyboard on modern ThinkPads. It is intended to be a means of quick access to help and support. Technically it is nothing else than a button that can be configured to launch a certain piece of software. While originally it was grey and labelled ThinkPad, IBM later made it blue and called it the Access IBM Button. Lenovo relabelled it as ThinkVantage after it took over the ThinkPad line from IBM. System Boot Pressing Access IBM or ThinkVantage at system boot can launch the Predesktop Area. This depends on a specific setting of the BIOS Setup Utility and on the availability of either a Hidden Protected Area or a Rescue and Recovery partition.