The term software was not used until the late 1950s. During this time, although different types of programming software were created, these were generally not commercially available. As a result, users, mostly scientists and large companies - often had to write their own software.
Below is a brief timeline of software history:
* June 21, 1948: Tom Kilburn, a computer scientist, wrote the world's first software for the Manchester Baby computer at the University of Manchester in England.
* Early 1950s: General Motors creates the first operating system for the IBM 701 Electronic Data Processing Machine.It is called the General Motors operating system or GM OS.
* 1958: statistician John Tukey used the word software in an article on computer programming.
* Late 1960s: floppy disks were introduced and used to distribute software in the 1980s and 1990s.
* November 3, 1971: AT& released the first version of Unix OS.
* 1977: Apple releases Apple II and consumer software hits the road.
* 1979: VisiCorp released VisiCalc for the Apple II, the first spreadsheet software for personal computers.
* 1981: Microsoft released MS-DOS, the operating system on which most of the first IBM computers ran.IBM starts selling software and commercial software is offered to the average consumer.
* 1980s: hard drives become standard on PCs and manufacturers start packaging software on computers.
* 1983: the Linux project was launched to create the free software movement.
* 1984: Mac OS released to run Apple's Macintosh line.
* Mid-1980s: AutoDesk released major software applications including AutoCAD, Microsoft Word, and Microsoft Excel.
* 1985: Microsoft Windows 1.0 released.
* 1989: CD-ROMs become standard and hold much more data than floppy disks. Large software programs can be deployed quickly, easily and relatively cheaply.
* 1991: the Linux kernel, the basis of the open source Linux operating system, was released.
* 1997: DVDs are released and can hold more data than CDs, which makes it possible to put bundles of programs such as Microsoft Office Suite on a single disc.
* 1999: Salesforce.com, he used cloud computing to pioneer software distribution over the internet.
* 2000: the term software as a service (SaaS) became fashionable.
* 2007: IPhone launched and mobile apps began to become widespread.
* 2010 to present. DVDs are becoming obsolete as users buy and download software from the internet and the cloud. Vendors switched to subscription-based models, and SaaS became widespread.
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