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  1. IBM 360 DOS
  2. UNIX
  3. MSDOS
  4. Linux

IBM 360 DOS preceded both UNIX & MSDOS. There might have been earlier DOSes than 360.

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What was the first software program that Microsoft developed?

D.O.S. it is an operating system, it is the base for windows. That is incorrect. DOS was not their first product. Their first program was ALTAIR BASIC in 1975. DOS wouldn't come around until the release of the IBM PC in 1981.


Where does the name Gillian come from?

Were dos the name Gillian come from


What is the original system produced by Microsoft?

The original system developed by the company that became known as Microsoft was a Basic Interpreter for the Altair microcomputer. This single language operating system was sold as Altair Basic. They next developed a version of unix licensed from AT&T called Xenix. Microsoft later purchased a dos like system, renamed it MS-DOS and licensed it to IBM for the IBM PC as PC-DOS. The name "DOS" was generic and existed on many computer systems at the time that had a Disk based Operating System.


What is Windows NT?

Windows NT ("New Technology") is a family of Operating Systems produced by Microsoft, the first version of which was released in July 1993. It was originally designed to be a powerful high-level-language-based, processor-independent, multiprocessing, multiuser operating system with features comparable to Unix. It was intended to complement consumer versions of Windows that were based on MS-DOS http://en.wikipedia.org/wiki/Windows_NT


What is root directory?

Root directory is the highest level directory and this is the directory that appears first on the screen when you start MS-DOS. Generally, 'C' Drive appears on the MS-DOS screen as root directory.

Related Questions

What was the first major microcomputer OS?

DOS


What are unix and DOS?

Unix and MS-DOS are Operating Systems.


Which operating system was the first one used by IBM microcomputers?

Unix DOS


Differences between MS-DOS and Unix in networking?

MS-DOS was not designed for networking, and doses not come with any tools to do so by default.


Can you access c language in dos and unix?

You can write, compile and execute C-programs in both DOS and Unix, if that's what you meant.


Is the architecture of Linux based on DOS?

No. Linux is a free, open-source version of UNIX. Many of DOS's commands were based on UNIX commands, but the underlying operating system is much more powerful than DOS.


Which is the oldest operating dos or unix?

This question is ambiguous.While UNIX is clearly defined, confusion occurs between dos and DOS.DOS is the standard abbreviation for MS-DOS, the Microsoft disc operating system, while dos stands for disc operating system. Any disc operating system.UNIX was written in1969; it clearly antedates MS-DOS by about 10 years.The MULTICS dos was working in 1964, so it antedates UNIX.


Why does Linux and unix share more commands than windows xp and unix?

Because Linux evolved from UNIX, but Windows evolved from DOS.


Can you use a DOS formatted floppy in UNIX?

Yes you can. Unix understands both FAT32 and NTFS file systems.


Unix supports DOS commands or not?

Most of MS-DOS' commands were based on those of Unix and CP/M. 'cd', 'dir', 'clear', and 'echo' are usually found in both. MS-DOS added it's own commands, however, and made some different from those of existing versions of Unix, and no one saw any reason to change the names of existing ones in Unix.


Compare security in Dos and Unix?

I'll make this very simple: MS-DOS doesn't have any.


What operating system has a character based interface?

ms dos. unix.

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