Coordinated Universal Time (French: temps universel coordonne), coordonnÃ© abbreviated AS, utc is the primary time standard by which the world regulates clocks and. Time it, is within about 1, second mean solar time atÂ° 0; longitude it does not observe daylight saving. time
Nope it would be single user operating system because at any time it would be providing service to a single user. It doesn't matter that the current user is different from the last user as it is essentially serving one user at a time. Multiuser operating systems allocates system resources to multiple concurrent users with memory protection mechanism using paging or segmentation. Views Â· View Upvotes.
GRUB is GRand Unified Bootloader, the default bootloader in Linux. GRUB can be used to boot Linux in single user mode. The single user mode is the restricted mode, that is used for maintenance purposes. In single user mode, the only user available is the root user, and in RHEL, no password is asked for login.