Operating System (OS) is software that works like a mediator. The inputs are provided by the user and the operating system conveys them to the system hardware or other software to produce the desired output.
Since the invention of the computer in the early nineteenth century, Operating Systems have been developed vigorously. Some commonly known OS are Unix, DOS, Linux and Windows.
Key Takeaways
- DOS is a command-line operating system, while Windows has a graphical user interface.
- Windows supports various hardware and software, whereas DOS is limited to older hardware and software.
- Windows is more user-friendly than DOS, allowing easier navigation and file management.
DOS vs Windows
DOS is a single-user command-line operating system that runs from a disk drive and is only used in x86-based computers. It is a binary-tasking OS. Windows is a multiuser, multitasking, graphical user-interface based operating system developed and published by Microsoft that controls a personal computer.
DOS stands for Disk Operating System. Only a single user can use it to perform one task at a time. It was first released on 12 August 1981 by Microsoft under the name of MS-DOS (Microsoft Disk Operating System).
Due to the reason that DOS was released in early times, it didn’t have many features as compared to the operating systems that were released later.
Windows is probably the most common operating system. Released by Microsoft on 20 November 1985, Windows was initially a graphical operating system shell for MS-DOS.
But since then, it has been developed into a multi-user and multi-tasking operating system which can perform multiple tasks at fast speeds.
Comparison Table
| Parameters of Comparison | DOS | Windows |
|---|---|---|
| Released on | 12 August 1981 | 20 November 1985 |
| Type of interface offered | Command-line interface (CLI) | Both command line and graphical interface |
| Power consumption | DOS consumes less power | Windows consumer more power |
| Networking support | Doesn’t support networking | Supports networking |
| Usage complexity | Complex to use due to CLI | Easy to use due to GUI (Graphical User Interface) |
| Type of tasking | Single-tasking | Multi-tasking |
| No. of user allowed | Single user | Multi-user |
| Memory Consumption | Consumer less memory | Consumes more memory |
| Need of pointing device (mouse, light pen, etc.) | No pointing device needed | Pointing devices can be used |
| Multimedia (music/videos/games) support | Not supported | Supported |
| Popularity | DOS is less popular | Windows is more popular |
| Owned by | DOS is an acronym for all the disk-based operating systems like MS-DOS, PC DOS, etc. | Windows is owned by Microsoft |
What is DOS?
DOS is an operating system created with a command-line interface (CLI) to allow a single user to work on a single task at a time. It doesn’t support multitasking or the sharing of system data between different users.
It is a single-user OS, which means that it can only be used by one user, namely the system administrator.
But that doesn’t mean other people can’t use the same computer, it simply means that other people can’t log in with another user ID; they will have to use the ID of the system admin.
Tim Paterson, a developer at Seattle Computer Products (SCP) first programmed an OS for testing Intel’s 8086 CPU card.
This framework was named Quick and Dirty Operating System (QDOS), but later it was made available under the name 86-DOS. 86-DOS was then allegedly bought by Microsoft for $50,000 and renamed as Microsoft Disk Operating System (MS-DOS).
MS-DOS was released in the market in 1981, and within a year it was authorized to more than 70 companies. MS-DOS was provided as a framework that could make it easier for them to work with their machines.
As a significantly old technology, DOS was designed to perform small tasks.
What is Windows?
The first Windows was solely created to provide a graphical shell to the existing MS-DOS operating system. The market for Graphical User Interfaces (GUIs) was increasing and Microsoft published their software to make keep up in the market.
Windows was launched on 20 November 1985; one year after Mac OS was launched.
Windows 1.0, the first version of Windows, was not a complete operating system. It was software that extended MS-DOS.
The components included in Windows 1.0 were: Calendar, Calculator, Clock, Control Panel, Notepad, Paint, Terminal, Write and some others.
Microsoft distributes its trademarked Windows operating systems under different names called “families”. These families are aimed to provide services to specific sub-industries of the computing world.
For example, Windows NT is the family name for operating systems that are designed for server computers and workstations. The Windows IoT is an OS that was developed with the sole purpose of powering embedded devices.
Other families are Windows 9x, Windows Mobile and Windows Phone. These three families were discontinued for one reason or the other. Due to the reason that it is used for multitasking, Windows consumes a lot of memory and power.
Main Differences Between DOS and Windows
- DOS is a single user and single-tasking operating system whereas Windows is a multi-user and multi-tasking operating system.
- DOS is an acronym for any disk-based operating system and it is not a registered trademark. On the other hand, Windows is owned by Microsoft and is a registered trademark.
- DOS is more complex to use than Windows due to the reason that it only offers a command line interface whereas Windows offer Graphical User Interface (GUI).
- DOS doesn’t support multimedia playback or networking which is the reason why it’s not popular today. On the other hand, Windows supports both networking and multimedia and is quite popular.
- DOS was released in August 1981 whereas Windows was released in November 1985.
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