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Developers follow different paths from DOS to OS-2: simple ports to major rewrites. (Ideas & Trends)
DEVELOPERS FOLLOW DIFFERENT PATHS FROM DOS TO OS/2
The great migration of applications programs from DOS to OS/2 has begun in earnest, but developers are taking different routes in moving their programs to OS/2. There are three main levels at which DOS programs are revamped for the newer OS/2 environment (not including OS/2 with Presentation Manager, the graphical user interface). There are simple ports, which offer few or nor enhancements to the original program; rewrites that offer some, but not all, OS/2-specific features (this intermediate process is called rehosting); and major rewrites that enable a program to take full advantage of OS/2's capabilities.
Many existing DOS programs can run under OS/2 by using the operating system's built-in DOS compatibility mode. But to take advantage of new OS/2 features, such as larger memory, multiple program execution, and better protection from system crashes, developers say that a program's underpinnings and…
- Stacker 4.0 for OS 2 & DOS breaks 2:1 compression barrier; Stacker Toolbox...
- Press release article from: Business Wire January 30, 1995 700+ words
...a) technology, Stacker for OS/2 & DOS now matches the compression offered...visual cues. Easy Migration from DOS to OS/2: Stacker 4.0 for OS/2...move to Warp since installing just DOS, Windows, OS/2 Warp, and Warp's BonusPak...
- DOS 7 and OS/2 file systems are bitchin', but they're cruisin' for a bruisin'....
- Magazine article from: InfoWorld Cringely, Robert X. June 28, 1993 700+ words
...making it incompatible with OS/2. DOS has always reserved 10 unused...coming. DOS 6 has no problems with OS/2, but DOS 7 (yup, we're already talking...means that the structure of a DOS FAT volume under OS/2 is likely to be incompatible...
- Stac fix opens DOS 6.0 to OS/2 users. (Stac Electronics Inc.'s fix for Stacker...
- Magazine article from: InfoWorld Scannell, Ed July 26, 1993 700+ words
...fix that allows users to access DOS 6.0 files from OS/2 2.1. The $19.95 set of disks for Stacker for OS/2 & DOS converts DoubleSpace files to...The disks provide access to all DOS 6.0 and OS/2 2.1 compressed files and...
- IBM brings soft copy to OS/2, DOS desktops. (BookManager Build/2 electronic...
- Newspaper article from: The Seybold Report on Desktop Publishing January 6, 1993 700+ words
...build component that runs under OS/2 and readers that run under DOS, OS/2, Unix and mainframes. The...Last year, IBM introduced a DOS viewer for reading the books on...has expanded the family with the OS/2 products. Building books...
- OS/2: A Better DOS Than DOS? (IBM's OS/2 2.0 operating system) (includes...
- Magazine article from: PC World Wolverton, Van July 1, 1992 700+ words
...desktop for the command prompt in an OS/2 or DOS session as soon as the system is running. You can start as many OS/2 or DOS sessions as you like, switching...running when you switch away from it. OS/2 and DOS sessions can run either in a window...
- Diary of an early OS-2 user. (one of six articles in DOS to OS-2 special report)
- Magazine article from: Lotus Cranford, Richard September 1, 1988 700+ words
...umpteen million DOS users can move smoothly from DOS to OS/2 and graphical-based operting systems. No small...that the first DOS message obviously referred to DOS, not to OS/2. This DOS screen, I realized, is the DOS Compatibility Box...
- Utility software for Windows NT, OS/2, DOS, and UNIX. (V Communications' System...
- Magazine article from: Data Based Advisor September 1, 1994 700+ words
...systems on a single PC. Lets users try new operating systems without giving up security of exisiting OS. Manages up to 16 different versions of DOS and up to 26 other Intel-compatible operating systems. $99.95. V Communications, (408) 2964224...
- Run large DOS programs in OS-2: new expanded-memory drivers make it possible.
- Magazine article from: Lotus Pepper, Jon March 1, 1989 700+ words
RUN LARGE DOS PROGRAMS IN OS/2 OS/2, billed as the personal-computer operating system...people who switched to OS/2 thought they could run their DOS programs in OS/2's DOS compatibility box while they waited for true OS/2 applications...
- OS/2 users get on-the-fly disk compression. (Stacker for OS/2 and DOS)...
- Magazine article from: InfoWorld Glass, Brett March 14, 1994 700+ words
Stacker for OS/2 and DOS is the only product on the market that...form. And though OS/2 could run DOS programs, OS/2 couldn't read disk volumes compressed...10 percent to 12 percent under both DOS and OS/2; this is an acceptable price to...
- Eicon can put PC users in touch with SNA host: Windows, DOS, OS/2 supported....
- Magazine article from: InfoWorld Wilson, Jayne May 24, 1993 700+ words
...of LAN gateways that let Windows, DOS, and OS/2 PC users access applications...server running NetWare, Windows, DOS, or OS/2 and provide a link to SNA hosts...Eicon card is installed into the OS/2 or DOS server and in a NetWare file server...
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