Yes. It is a disk operating system.
MS-DOS was initially released in 1981 for the Intel 8086 and 8088 based processors. There are no software requirements for MS-DOS as it is a stand-alone operating system. MS-DOS is compatible with x86 systems.
GUI
DOS is an operating system, so it's leaning towards system software.
There is no any software for MSDOS shell as MSDOS is itself a system software.
They got MS-DOS from Microsoft.
Not all but most DOS software can run on Windows 98..
Yes, it was the original Disk Operating System popularized by Microsoft as MS-DOS.
MS DOS is an acronym for Microsoft Disk Operating System. MS Office is an acronym for Microsoft Office which is a word processing, spreadsheet, and presentation application.
MS-DOS does not include any built-in facilities for networking, finding, or downloading software. After installing the appropriate software, namely a packet driver and a web browser, FTP client, or wget, you can then download and run any installers you wish.
86-DOS was developed in 1980 and MS-DOS introduced in 1981
MS-DOS 6.22 was the last stand-alone version of MS-DOS. Some believed that MS-DOS 7.0 was the last version of MS-DOS since Windows 95 reported MS-DOS as MS-DOS 7.0. However, this was just a shell in Windows and not a stand-alone version of MS-DOS.
Microsoft is a large software company responsible for such things as Windows, Office, XBox, MS-DOS, and software monopoly abuse.