Multiple choice technology operating systems

User's with user id as 0 (Zero) are

  1. Printer users

  2. Not allowed to login using rlogin/ssh

  3. root users

  4. User id cannot be 0
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In Unix-like systems, user ID 0 is reserved for the root account (superuser), which has unrestricted administrative privileges and can perform any operation on the system. UID 0 is the marker of superuser status, regardless of the username.

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