Yes, it does.
It supports multi-user multi-tasking.
no Actually, it is. Unix has multi-processing and multi-tasking capabilities.
Unix is a multi user, multi processing and multi tasking operating system
Not really a true statement; both Windows and UNIX have multi-tasking and multi-programming capabilities.
Unix
1. Number of Users2. Task Processing3. Command-Line Interface4. Security5. PortabilityØ DOS is Single-UserØ DOS is Single Process,Ø DOS has its command interpreter (command.com).Ø Some versions of DOS allow password protection on fileØ DOS runs on Intel processors and compatible devices (8088, 8086, 286, 386, 486, Pentium).Ø UNIX is Multi-UserØ , UNIX supports multi-processing, multiple processes per user, and job control from the shellØ UNIX has the shell (C-shell, Korn Shell, Bourne Shell etc.)Ø . UNIX has username/password for logins, and user/group/world permissions on files and directories.Ø UNIX is available for a very wide variety of hardware platforms.
Unix is designed to be extremely scalable; I've worked on systems with 12 or more processors, multiple clusters, etc.
Yes
Most modern UNIX systems run as a 64-bit Operating System.
Yes, it is multi-tasking.
Yes as two or more processors work together.
multi processing is nothing but executing multiple thrads on multiple processors at a time....