That would depend on how you define multiuser:
yes. windows nt is a multiuser operating system
unix is a multiuser operating system but widows is a single user operating system.
it is a multi user OS
Yes, a multiuser operating system is also described as a network operating system.
Linux.
windows does have the facility to give access to different users. That is the reason we can log on to different user accounts on windows. But windows does not give access to multiple users at the same time in a single processor system.
Read your EULA. The license encourages you, and only you, to use the PC, even if you install sshd or vnc so others can use it. Now ask yourself if Debian Linux is a multiuser operating system.
Novell Netware ? ? ?
Yes, Windows 8 is a multiuser operating system. It allows multiple user accounts to be created on a single device, enabling different users to have their own personalized settings, files, and applications. Each user can log in with their credentials, ensuring privacy and security for individual accounts.
multiuser
It is a multitasking, multiuser opearting. It is a version of UNIX .
It is a network or multi-user operating system.