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4690 Operating System, sometimes shortened to 4690 OS or 4690 is a specially designed Point of Sale operating system, originally sold by IBM; however, in 2012 IBM sold its retail business, including this product, to Toshiba, who now supports it.〔(【引用サイトリンク】title=IBM 4690 Operating System )〕 4690 is widely used by IBM's retail customers to drive retail systems running their own applications as well as IBM's Application Client Server Environment (ACE), Supermarket Application (SA), General Sales Application (GSA), and Chain Drug Sales Application (CDSA). It is the follow-on product to IBM 4680 OS, which had been in use by IBM's customers since 1986.〔Novell (2005). ''How to choose the best OS for your point-of-sale''. 360Commerce (()). Comment: This PDF has a short history of POS operating systems, also mentioning IBM 4680 and IBM 4690.〕 The original IBM 4680 OS was based on either Digital Research's Concurrent DOS 286〔(【引用サイトリンク】author=CBR Staff Writer )〕 or FlexOS 286, developed in 1986 as a derivation of Concurrent DOS 286 and introduced in early 1987. In July 1993〔 IBM adopted FlexOS version 2.32 as the basis of their IBM 4690 OS Version 1.〔〔 (【引用サイトリンク】title=IBM 4690 OPERATING SYSTEM VERSION 1 - Announcement Letter Number 293-281 dated June 1, 1993 - Brief description of announcement, charges, and availability )〕 FlexOS 2.32 supported 286 and 386 modes and had no limit on applications running concurrently. According to "The Year of the Store?", IHL Consulting Group/RIS News, IBM 4690 OS still had a market share of 12% in the POS register/client market in June 2005, when IBM was starting to phase it out in favour to IBM Retail Environment for SUSE (IRES).〔 IBM will continue to maintain 4690 OS up to April 2015, with the most recent version released by IBM in May 2012 being IBM 4690 OS Version 6 Release 3. Meanwhile Toshiba has released Toshiba 4690 OS Version 6 Release 4 in January 2014. Retailers are using the 4690 Operating System for their operations because of its many retail specific and reliability features. In addition to running on IBM hardware, third party vendors have taken advantage of the 4690 features on competitive hardware. == Supported hardware == 4690 supports a number of Point of Sale (POS) terminal devices, store controller servers, and combination controller/terminals. The 4690 documentation contains a list of supported POS devices, including devices that have been in use over 20 years. The family of IBM USB POS devices that 4690 supports includes keyboards, displays, and cash drawers. 4690 also supports other I/O devices that are designed to and conform to IBM's USB POS device interface specifications. IBM makes interface specifications available to third-party vendors to enable them to connect their devices to POS terminals using RS485, RS232, and USB connections. IBM provides a "Controller Matrix" document with a list of compatible IBM servers for use with 4690 OS as store controllers and controller/terminals. These servers represent current and formerly available devices which continue to be supported by 4690. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「4690 Operating System」の詳細全文を読む スポンサード リンク
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