Chapter 12 revision
Advanced operating systems
Various brands of operating systems include:
Microsoft windows
Apple Mac OS
UNIX and Linux
Several versions or distributions include:
Windows 2000 Professional
windows XP Home, Professional or Media centre Editions
Windows Home Vista Home Basic, Business and Premium Editions
Compare OS versions or editions to find the best one for your customer
NTFS: New Technology File System
Mac OS
Puma-> cheetah->tiger -> leopard (Mac 10.5)
Mac OS x( Mac Operating System)
Compare OS brands to find the best one for your customer
OS
1) Microsoft Windows
2) Apple Mac OS
3) UNIX and Linux
Advantages
1) Lots of useful programmes.
2) Easy to use, Virus free. With boot camp you can run XP or Vista on your machine. Great for media and free applications.
3) It’s free because it’s an open source.
Disadvantages
1) It has security issues. E.g. people are hacking into it (viruses)
2) Small software base compared to Windows. It is very expensive and there is no machine to get with the computer screen which will give you a lot more room.
3) You have to rely on the internet most of the time. By relying on the internet its means that it’s got to be very stable.
Operating system compatibilities and operating system is the interface between the user and the computer.
Provides a bridge between the hardware and applications
creates a file system to store data
manages applications
interprets user commands
operating system have minimum requirements for hardware.
Network operating system
a network operating system is the operating system is an operating system that contains additional features to increase functionality and manageability in the network environment.
Examples of N.O.S:
1) Windows 2000 server
2) Windows 2003
3) UNIX
4) Linux
5) Novell Netware
6) Mac OS X
Server N.O.S
The N.O.S is designed to provide network recourses to client.
1) Server applications
2) Centralised data storage
3) Directory service storage that provides a centralised repository of user accounts and recourses on the network
4) Netware print queue
5) Network access and security
6) Redundant storage systems