IBM PC compatible computers are similar to the original IBM PC, XT, and AT that are able to use the same software and expansion cards. It was developed by Business Machine and PC corporation IBM. Such computers were referred to as PC clones, or IBM clones. The term "IBM PC compatible" is now a historical description only, since IBM no longer sells personal computers. The industry jargon "PC" sometimes doesn't mean "personal computer" generally, but rather a computer running Microsoft's Windows operating system, in contrast to Apple's macOS, which usually gives the computer the designation of "Mac".
IBM PC DOS, an acronym for IBM personal computer disk operating system, is a discontinued operating system for the IBM Personal Computer, manufactured and sold by IBM from the early 1980s into the 2000s.
Borland Sidekick was a personal information manager (PIM) launched by American software company Borland in 1984 under Philippe Kahn's leadership. It was an early and popular terminate and stay resident program (TSR) for MS-DOS which enabled computer users to activate the program using a hot key combination while working in other programs. Although a text-mode program, Sidekick's window-based interface echoed that of the Apple Macintosh and anticipated the eventual look of Microsoft Windows 2.0. It included a personal calendar, text editor, calculator, ASCII chart, address book, and phone dialer. According to the prospectus for Borland's initial public offering of stock to the public, Sidekick sold more than 1 million copies in its first three years.
Peter Norton is an American programmer, software publisher, author, and philanthropist. He is best known for the computer programs and books that bear his name and portrait. Norton sold his PC software business to Symantec Corporation in 1990.
DESQview (DV) is a text mode multitasking operating environment developed by Quarterdeck Office Systems which enjoyed modest popularity in the late 1980s and early 1990s. Running on top of DOS, it allows users to run multiple programs concurrently in multiple windows.
Norton Commander (NC) is a discontinued prototypical orthodox file manager (OFM), written by John Socha and released by Peter Norton Computing. NC provides a text-based user interface for managing files on top of MS-DOS. It was officially produced between 1986 and 1998. The last MS-DOS version of Norton Commander, 5.51, was released on July 1, 1998.
Norton Utilities is a utility software suite designed to help analyze, configure, optimize and maintain a computer. The current version of Norton Utilities is Norton Utilities 16 for Windows XP/Vista/7/8 was released 26 October 2012.
Norton GoBack is a disk utility for Microsoft Windows that can record up to 8 GB of disk changes. When the filesystem is idle for a few seconds, it marks these as "safe points". The product allows the disk drive to be restored to any point within the available history. It also allows older versions of files to be restored, and previous versions of the whole disk to be browsed. Depending on disk activity, the typical history might cover a few hours to a few days.
PC Tools was a collection of software utilities for DOS developed by Central Point Software.
Think C is an extension of the programming language C from the American National Standards Institute for the classic Mac OS developed by Think Technologies, released first in mid-1986. The firm was later acquired by Symantec Corporation and the product continued to be developed by the original author, Michael Kahl. Versions 3 and later were essentially a subset of C++ and supported basic object-oriented programming (OOP) concepts such as single inheritance, and extensions to the C standard that conformed more closely to the needs of Mac OS programming. After version 6, the OOP facilities were expanded to a full C++ implementation, and the product was rebranded Symantec C++ for versions 7 and 8, then under development by different authors.
GATO is a real-time submarine simulator first published in 1984 by Spectrum HoloByte for MS-DOS. It simulates combat operations aboard the Gato-class submarine USS Growler (SS-215) in the Pacific Theater of World War II. GATO was later ported to the Apple IIe, Atari ST, and Macintosh. In 1987 Atari Corporation published a version on cartridge for the Atari 8-bit family, to coincide with the launch of the Atari XEGS.
Q&A was a database and word processing software program for IBM PC-compatible computers published by Symantec and partners from 1985 to 1998. It was written by a team headed by Symantec founder Dr. Gary Hendrix, Denis Coleman, and Gordon Eubanks.
Central Point Software, Inc. was a leading software utilities maker for the PC market, supplying utilities software for the DOS and Microsoft Windows markets. It also made Apple II copy programs. Through a series of mergers, the company was ultimately acquired by Symantec in 1994.
Datastorm Technologies, Inc., was a computer software company that existed from 1986 until 1996. Bruce Barkelew and Thomas Smith founded the company to develop and publish ProComm, a general purpose communications program for personal computers. ProComm flourished in the pre-World Wide Web world, when personal computers used modems to connect over telephone lines with other individual computers, online services such as CompuServe, bulletin board systems (BBSs), Telnet and Gopher sites, and the like. Datastorm was the first company to grow from a shareware publisher into a large commercial software publisher. ProComm 2.4.3 for MS-DOS is still available as shareware.
FastBack is a software application developed in the late 1980s and early 1990s for backing up IBM PC and Macintosh computers. It was originally written by Fifth Generation Systems, a company located in Baton Rouge, Louisiana. When the company wanted to expand into the Apple market they purchased and rebranded a product from TouchStone Software Corporation.
PC Tools, formerly known as WinGuides.com, was a software company acquired by Symantec in 2008; the new owner eventually discontinued the PC Tools name. Company headquarters were in Australia, with offices in Luxembourg, the United States, United Kingdom, Ireland and Ukraine. The company had previously developed and distributed security and optimization software for the Mac OS X and Microsoft Windows platforms.
Living Videotext was a software development company founded by Dave Winer in 1983. Its slogan was "We Make Shitty Software... With Bugs!," although the slogan was never publicly run in an ad.
This article presents a timeline of events in the history of 16-bit x86 DOS disk operating systems from 1980 to 2020. Other operating systems named "DOS" are generally not part of the scope of this timeline.
Windows 1.0 is a graphical personal computer operating environment developed by Microsoft. Microsoft had worked with Apple Computer to develop applications for Apple's January 1984 original Macintosh, the first mass-produced personal computer with a graphical user interface (GUI) that enabled users to see user friendly icons on screen. Windows 1.0 was released on November 20, 1985, as the first version of the Microsoft Windows line. It runs as a graphical, 16-bit multi-tasking shell on top of an existing MS-DOS installation. It provides an environment which can run graphical programs designed for Windows, as well as existing MS-DOS software. Its development was spearheaded by the company founder Bill Gates after he saw a demonstration of a similar software suite known as Visi On at COMDEX.
Norton, formerly known as Norton by Symantec, is a division of NortonLifeLock, and is based out of Mountain View, California. Since being acquired by the Symantec Corporation in 1990, Norton offered a variety of products and services related to digital security. In 2014, it was announced that Norton's parent company Symantec would split its business into two units - one focused on security, and one focused on information management, with Norton being placed in the unit focused on security.
