Merge

Merge, merging, or merger may refer to:

Concepts

Merge (traffic), the reduction of the number of lanes on a road

Merge (linguistics), a basic syntactic operation in generative syntax in the Minimalist Program

Merger (politics), the combination of two or more political or administrative entities

Merger (phonology), phonological change whereby originally separate phonemes come to be pronounced exactly the same

Mergers and acquisitions, the buying, selling, dividing and combining of different companies

Computer science

Merge (revision control), to combine simultaneously changed files in revision control

Merge (software), a Virtual Machine Monitor computer package for running MS-DOS or Windows 9x on x86 processors under UNIX

Merge (SQL), a statement in SQL

Merge algorithm, an algorithm for combining two or more sorted lists into a single sorted one

Mail merge, the production of multiple documents from a single template form and a structured data source

Randomness merger, a function which combines several, perhaps correlated, random variables into one high-entropy random variable

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Merge (software)

Merge is a software system which allows a user to run DOS/Windows 3.1 on SCO UNIX, in an 8086 virtual machine.

History

Merge was originally developed to run DOS under UNIX System V Release 2 on an AT&T 6300 Plus personal computer. Development of the virtual machine began in late 1984, and AT&T announced the availability of the machine on October 9, 1985, referring to the bundled Merge software as SimulTask. (The PC6300 Plus shipped with MS-DOS in 1985 though, because its Unix System V distribution was not ready until the end March 1986.) Merge was developed by engineers at Locus Computing Corporation, with collaboration from AT&T hardware and software engineers, particularly on aspects of the system that were specific to the 6300 Plus (in contrast to a standard PC/AT).

The AT&T 6300 Plus contained an Intel 80286 processor, which did not include the support for 8086 virtual machines (virtual 8086 mode) found in the Intel 80386 and later processors in the x86 family. On the 80286, the DOS program had to run in realmode. The 6300 Plus was designed with special hardware on the bus that would suppress and capture bus cycles from the DOS program if they were directed toward addresses not assigned for direct access by the DOS virtual machine. Various system registers, such as the programmable interrupt controller, and the video controller, had to be emulated in software for the DOS process, and a watchdog timer was implemented to recover from DOS programs that would clear the interrupt flag and then hang for too long. The hardware used the Non Maskable Interrupt (NMI) to take control back to the emulation code. More detail may be seen in the patent referenced in the External Links below.

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Merge (linguistics)

Merge (usually capitalized) is one of the basic operations in the Minimalist Program, a leading approach to generative syntax, when two syntactic objects are combined to form a new syntactic unit (a set). Merge also has the property of recursion in that it may apply to its own output: the objects combined by Merge are either lexical items or sets that were themselves formed by Merge. This recursive property of Merge has been claimed to be a fundamental characteristic that distinguishes language from other cognitive faculties. As Noam Chomsky (1999) puts it, Merge is "an indispensable operation of a recursive system ... which takes two syntactic objects A and B and forms the new object G={A,B}" (p. 2).

Mechanisms of Merge

Within the Minimalist Program, syntax is derivational, and Merge is the structure-building operation. Merge is assumed to have certain formal properties constraining syntactic structure, and is implemented with specific mechanisms.

Binary branching

Merge takes two objects α and β and combines them, creating a binary structure.

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Free fall

In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it and moves along a geodesic. The present article only concerns itself with free fall in the Newtonian domain.

An object in the technical sense of free fall may not necessarily be falling down in the usual sense of the term. An object moving upwards would not normally be considered to be falling, but if it is subject to the force of gravity only, it is said to be in free fall. The moon is thus in free fall.

In a uniform gravitational field, in the absence of any other forces, gravitation acts on each part of the body equally and this is weightlessness, a condition that also occurs when the gravitational field is zero (such as when far away from any gravitating body). A body in free fall experiences "0 g".

The term "free fall" is often used more loosely than in the strict sense defined above. Thus, falling through an atmosphere without a deployed parachute, or lifting device, is also often referred to as free fall. The aerodynamic drag forces in such situations prevent them from producing full weightlessness, and thus a skydiver's "free fall" after reaching terminal velocity produces the sensation of the body's weight being supported on a cushion of air.

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Charles "Nish" Bruce

Sergeant Charles Christian Cameron "Nish" Bruce QGM (8 August 1956 – 8 January 2002) was a former British Army soldier and freefall expert of high altitude military parachuting who served in 22 (SAS) Special Air Service (1982–88). He served with the 22 SAS in the Falklands War, on anti-drug operations in South and Central America and in Northern Ireland during Operation Banner for which he was awarded the Queen's Gallantry Medal in 1986.

He received the South Atlantic Medal in 1982 with B Squadron of the 22 Special Air Service and the General Service Medal with the 2nd Battalion, Parachute Regiment for services in Northern Ireland during The Troubles.

Family & Early Life

Bruce was born in Chipping Norton in 1956, middle son of Ewen Anthony Guy Cameron Bruce. He was the paternal grandson of Major Ewen Cameron Bruce (of Blaen-y-cwm).

Military career

Bruce joined the Parachute Regiment in 1973 at age 17 and in 1978 spent 4 years with The Red Devils Display Team participating in test jumping, international exhibitions and competitions before passing SAS selection and joining 22 SAS in April 1982.

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The Unit (season 2)

The second season of The Unit originally broadcast between September 19, 2006 and May 8, 2007, it introduces several new characters to the series. Tiffy has trouble with the law when she covers for Colonel Ryan's wife, Charlotte, and The Unit is investigated by the CIA over infractions that could result in criminal charges.