It's one of the first Windows operating systems.
I assume OS means Operating System ... in computers. Here are some Windows PCDOS Dr DOS MSDOS
A Text Based OS is a OS like MSdos just plain old text and commands But Now Newer Operating Systems Came Out. A GUI OS is like mac, Windows 7, But Boots With a little help from MSdos. You can still download linux text based OSs But It is mosty meant for servers.
There is no any software for MSDOS shell as MSDOS is itself a system software.
Start=>Run=>msdos
There appears to be a configuration error. You have associated Konqueror with application/x-msdos-program, but it cannot handle this file type.
Linux.
Microsoft Disc Operating System
Single multitask
They do not. An OS is specific to processor and hardware type.
Sport...
Only if it has a MSDOS-emulator -- not likely.
MSDOS was officially released in 1981 by Microsoft.