(Win2k, W2k, NT5, Windows NT 5.0) An operating system
developed by Microsoft Corporation
, as the successor to Windows NT 4
.0. Early beta
versions were referred to as "Windows NT 5.0". Windows 2000 was officially released on 2000-02-17.
Windows 2000 is most commonly used on Intel x86
processors, with a DEC Alpha
version rumoured. Unlike Windows NT 4.0, Windows 2000 is not available for PowerPC
Windows 2000's user interface
is very similar to Windows 95
or Windows NT 4.0 with integrated Internet Explorer
, or to Windows 98
It is available in four flavours:
- Professional: the client
version, meant for desktop workstations
, successor to Windows NT Workstation.
- Server: "entry-level" server, designed for small deployments, and departmental file, print, or intranet
- Advanced Server: high throughput, larger scale servers and applications, and small to medium scale websites
- Data Center Server: software for large-scale server clusters
(in development as of 2000-03-14).
New features in Windows 2000 include:
- Active Directory
- Greatly improved built-in security mechanisms, including Kerberos
, public key support, an encrypting file system
, and IPsec
- Integrated web browser
- Internet Explorer
- Integrated web server
- Terminal services for displaying application interfaces on remote computers (similar to X-Windows
- File protection that prevents user programs from accidentally deleting or overwriting critical system files.
- Improved hardware support, including Plug-and-Play
, IEEE-1394 (FireWire), USB
, laptop computers
- Improved user interface, including a single point to control the entire system.
- Improved management tools, including remote administration.
Minimum system requirements, according to Microsoft, are Pentium
-133 MHz CPU
, 64 MB RAM
, 650 MB
of hard disk
space. These are for W2K Professional, others require more.
Many operating systems
compete with Windows 2000, including the Apple MacOS
, Sun Solaris
, IBM AIX
, Hewlett-Packard HP-UX
, SGI Irix
. Novell's NDS also provides a service similar to Active Directory.
Windows 2000 will be followed by Windows XP
Professional and Windows 2002.
newsgroups: (news:microsoft.public.windows2000), (news:comp.os.ms-windows).