The Microsoft Windows operating systems did not initially support networking. Thus, Novell NetWare was introduced and became the first popular network operating system for personal computers. Windows 95 and Windows for Workgroups were Microsoft's first network operating system products. Today, almost every consumer operating system qualifies as a NOS.
Computer Operating Systems: Unix vs Windows
Centrify also offers programs that can get the pair working together. This enables Windows administrators to secure Linux and Unix systems using their familiar AD authentication, access control and Group Policy services. Samba has also been working on AD integration for Linux in Samba 4. Unfortunately, Samba 4 , which involves a complete re-write of Samba as well as adding AD integration, is still a ways from being done.
How to get Windows and Linux to cooperate on the network
While the current program is certainly worth experimenting with, it can in no way, shape, or form be used on a production network yet. Of course, there is another entirely different way, which is to use federated identity management to get Windows and Linux to get along on a network. This means that your business can use a SSO to share applications across platforms while using two, or even more, different directory services and security and authentication methods. Business SharePoint users in particular have found this very useful. Linux using end-users can log-in to SharePoint services via Access Manager, which transparently forwards the authentication information to ADFS and back again.
This lets either Linux desktop users or Windows users who authenticate against Linux servers to use SharePoint without jumping through any additional hoops. This same technique can be used with other Windows corporate network applications. All this is integrated with the Novell Support Advisor.
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Types of Operating Systems: Some of the widely used operating systems are as follows- 1. Advantages of Batch Operating System: It is very difficult to guess or know the time required by any job to complete. Processors of the batch systems know how long the job would be when it is in queue Multiple users can share the batch systems The idle time for batch system is very less It is easy to manage large work repeatedly in batch systems Disadvantages of Batch Operating System: The computer operators should be well known with batch systems Batch systems are hard to debug It is sometime costly The other jobs will have to wait for an unknown time if any job fails Examples of Batch based Operating System: Payroll System, Bank Statements etc.
Novell vs. Red Hat: Linux vs. Linux
Advantages of Distributed Operating System: Failure of one will not affect the other network communication, as all systems are independent from each other Electronic mail increases the data exchange speed Since resources are being shared, computation is highly fast and durable Load on host computer reduces These systems are easily scalable as many systems can be easily added to the network Delay in data processing reduces Disadvantages of Distributed Operating System: Failure of the main network will stop the entire communication To establish distributed systems the language which are used are not well defined yet These types of systems are not readily available as they are very expensive.
Two types of Real-Time Operating System which are as follows: Hard Real-Time Systems: These OSs are meant for the applications where time constraints are very strict and even the shortest possible delay is not acceptable. These systems are built for saving life like automatic parachutes or air bags which are required to be readily available in case of any accident. Virtual memory is almost never found in these systems.
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Advantages of RTOS: Maximum Consumption: Maximum utilization of devices and system,thus more output from all the resources Task Shifting: Time assigned for shifting tasks in these systems are very less. For example in older systems it takes about 10 micro seconds in shifting one task to another and in latest systems it takes 3 micro seconds.
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Focus on Application: Focus on running applications and less importance to applications which are in queue. Real time operating system in embedded system: Since size of programs are small, RTOS can also be used in embedded systems like in transport and others.
Error Free: These types of systems are error free. Memory Allocation: Memory allocation is best managed in these type of systems. Disadvantages of RTOS: Limited Tasks: Very few tasks run at the same time and their concentration is very less on few applications to avoid errors.
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Use heavy system resources: Sometimes the system resources are not so good and they are expensive as well. Complex Algorithms: The algorithms are very complex and difficult for the designer to write on. Device driver and interrupt signals: It needs specific device drivers and interrupt signals to response earliest to interrupts.