Category: Disambiguation An instruction is a form of information which is communicated in order to explain how an action, behavior, method, or task is to be begun, completed, conducted, or executed. ... Several manuals (click photo for details) An instruction manual, in the context of computer and video games, is a booklet that instructs the player on how to play the game, gives descriptions of the controls and their effects, and shows a general outline of the concepts and goals of the... Online help is topic, procedural or reference information delivered through computer software. ... Almost all substantial UNIX and Unix-like operating systems (*nix) have extensive documentation known as man pages (short for manual pages). The Unix command used to display them is man. ... A user guide, also commonly known as a manual, is a technical communication document intended to give assistance to people using a particular system. ... This electronic organ has two offset, four-octave manuals, a typical configuration for a great many popular home and professional instruments. ... This is an article about manual transmission in general; for guidance on how to drive with a manual transmission, see Manual transmission driving technique. ... A machine is any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of tasks. ... Two digital voltmeters The field of electronics is the study and use of systems that operate by controlling the flow of electrons or other electrically charged particles in devices such as thermionic valves and semiconductors. ...