nt brief, brief overview
DESCRIPTION
NT brief, brief overview. For CSC 302 Ching-Wan Yip. OS. Run applications?. Scenerio. Medium size organization (200-20,000 users) clients 85% Wintel (NTWS, 95, 3.x, DOS), 10% UNIX boxes, 5% diehard Mac addicts Services file, print sharing, user, software access control - PowerPoint PPT PresentationTRANSCRIPT
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NT brief, brief overview
For CSC 302
Ching-Wan Yip
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OS
Run applications?
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Scenerio
Medium size organization (200-20,000 users) clients
85% Wintel (NTWS, 95, 3.x, DOS), 10% UNIX boxes, 5% diehard Mac addicts
Servicesfile, print sharing, user, software access controlmedium load web serving, mail, IP/DNS, applications
server (Notes, RealAudio, R/3, Oracle, Backup, HelpDesk whatever)
Remote access, fax server, proxy, order, customer database
It works, 90+% uptime, 24-7 support
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Criteria
General purpose only, not formulti-users, non-backend server side
application3D animationHuge databaseSciViz, calculation
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Options
MacOS/BeOS
Novell
UNIXSolaris, AIX, HP-UX, Digital UNIX, Irix, Linux, BSD...
NT
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Why?
OS cost cheaper than expensive UNIX? UNIX admin. is very expensive
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Vs UNIX4/8processors SMP out of the box, up to 32 OEMx86 in practice mostly 2,4,6,8, 10 CPU2G RAM 32-bit flat addressing in 3.5x?, 4G in 4.02G app/2G kernel in 3.5x; 3G app/1G kernel in
Enterprise NT, 32G in 5.0 using VLM “Very Large Memory” in Alpha and Intel “Merced”
2 server clustering failover in 4.0 Enterprise~25,000 users in domain
Iris 6.x, HP-UX 11.x, Digital UNIX 4.x full 64-bitSolaris 2.6, upcoming AIX 4.3 partial 64Linux 64-bit on 64-bit platform?
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Platforms
Intel x86DEC Alphadefuncted - PowerPC, MIPS
workstation, server, enterprise
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Login - Ctrl-Alt-Delete
logon
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Just like 95?
Same Program manager/file manager as 95
for a $4000 for 25 client OS
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NOS
Mainly a NOS for file/print sharing, user management, DHCP/WINS, browsing
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“Built-in”
can also be remote dial-in server, ftp, gopher, DNS server, routing
IIS web server (index, management, FrontPage)
Directory, Message Queue (MSMQ), media streaming (NetShow), Transcation (MTS), Clustering (MSCS)
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Applications Platform BackOffice 2.5
NT Server 4.0 w/ Internet Information Server (IIS) 3.0
Proxy Server 1.0SQL Server 6.5 Exchange Server 5.0 Systems Management Server (SMS) 1.2SNA Server 3.0
Site Server, Commerce Internet Servermanagement, personalization
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Setup/license Per seat/server
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Role in the network
PDC, BDC, server
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Domain modellogin required to gain access to resourcesSingle domain model
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Accounts
vs. UNIX /etc/passwdDifferent rolessecurity identifier (SID)
group security identifiers(group SIDs)
S-1-5-21-76965814-1898335404-322544488-1001
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User Manager
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User control
User policylogin scriptWho can do what
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Services
Vs UNIX daemons
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Network Services
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Name services
DHCP - Dynamic Host Configuration Protocol WINS - Windows Internet Name Service DNS - Domain Name System
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Services managers
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Login
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Print sharing
Serve different clientsvs UNIX lpd model
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File sharing
vs UNIX’s NFSor Samba (UNIX pretends to be NT)
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File System
NTFS, FAT (no FAT32 until NT5 next year), HPFS (3.5x)
no security etc. on FATNTFS 16EB (2e64) b-tree, FAT 4G
(2e32) linked list, RAID supportUniversal Naming Convention (UNC)
Names\\server\share\subdirectory\filename
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File permissions
chmod ugoa +/-rwxs
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Replication
directory
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Disk/Network/Backup
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monitoring
vs top
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Monitoring - Event
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Admin. Friendly?
/etc/init*, win.inistill Windows
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Rock solid?
Still crash - Blue Screen of Dealth (BSOD)
Some configuration changes requires reboot, or command prompt
rebuild disksdrivers - OEM specific
HCLSP1,2,3… buggy?
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Architecture
kernel
3.51 vs 4.0
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modular
Subsystems32-bit NT and most 32-bit 95 apps
Windows 16-bit - DOS, Windows 3.x OS/2 - 16-bit character based apps on
x86 POSIX - IEEE 1003.1 apps compiled
under NT
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Interprocess Communication (IPC)
Named Pipes File Systems (NPFS)· Mailslots File Systems (MSFS)· NetBIOS· Windows Sockets· Remote Procedure Calls (RPC)· Network Dynamic Data Exchange (Net
DDE) 4.0 distributed component object model (DCOM)
builds on remote procedure call (RPC)
5.0 COM+ DNA
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others
Preemptive multitasking, performance tuningmemory managementsecurity - C2, auditinglocalization - unicodefault-tolerance - RAID, UPS supportcompatibility - no DOS, OS/2, WindowsPortability, Scalability, Reliability Architecture - HAL, kernel