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What is DOS operating system?
DOS (Disk Operating System) is a disk operating system, which means that any operating system that runs on a hard drive is called DOS – the first disk operating system used by IBM compatible computers .
The DOS operating system uses the command line by typing simple commands such as: pwd (print working directory) and cd (change directory). However, DOS operating system is often difficult to use for newcomers because users need to know basic commands to use DOS effectively.
DOS (Disk Operating System) is a disk-based operating system
Since production, the DOS operating system has been supported with two versions, but when sold on the market, it uses two different names:
- PC-DOS was a version of DOS developed by IBM and sold for use in the first IBM-compatible computers.
- MS-DOS is a version of DOS copyrighted and patented by Microsoft, and incorporated with early versions of Windows.
Early versions of Windows (up to Windows 95) still ran on DOS. However, the Windows operating system was rewritten for Windows NT, allowing Windows to run on its own without using DOS. Newer versions of Windows, such as: Windows 2000, XP and Vista, also do not require DOS.
MS-DOS is the version of DOS licensed by Microsoft
Features of DOS
Here are the outstanding features of DOS Operating System:
- DOS is a 16-bit operating system and is free to use.
- The principle of operation can not use the mouse, need to enter commands and codes to use.
- Maximum capacity is 2 GB .
- Does not support graphical interface.
- Very useful in file management. For example, create, edit, delete files,…
DOS operating system needs to enter commands and codes to use
Advantages of the DOS operating system
- Users can directly access the BIOS and basic hardware on the machine.
- DOS is small in size , so it doesn’t consume much of the resources of a multitasking operating system. As a result, the machine will start up quickly and run in a smaller system.
- DOS is useful when it is necessary to provide alternatives to manage/administer an MS system and to combine programs.
DOS is small in size so it doesn’t take up a lot of resources
Disadvantages of DOS
- Difficult to use for newbies because this operating system uses command line and code.
- Does not support multitasking and multitasking like Windows.
DOS hard to use for newbies
Difference between DOS and Windows operating systems
DOS operating system | Windows operating system | |
Define | Is a single task operating system | Is a multitasking operating system |
Import problem | Using the command line and code | Use mouse for all inputs |
Power consumption | Short | High |
Storage memory | Spend less | Spend a lot |
Storage Size | The maximum is 2GB | Up to 2 TB |
Common Abilities | Difficult to use | Easy to use, friendly interface |
GUI | Using the command line | As a graphical operating system |
Popularity |
|
|
Ability to multitask |
|
|
Task processing speed | Faster execution | Slower execution |
License | Free of charge | Pay fees |
Is DOS still in use?
Although it is no longer in common use, the operating system is still in use under the name FreeDos . This operating system will support you to fix computer errors when Windows is unusable . Although deprecated, the value it brought into the birth of the Windows operating system.
It can be seen that the heyday of the DOS operating system has passed for a long time, but it has opened a new era for later Windows operating systems. Hope the above information is useful to you.
DOS operating system renamed to FreeDOS
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