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Where is the operating system stored in the computer for quick access by microprocessor?
in main memory
What is relationship between a guest operating system and a host operating system in a system like VMware?
A host operating system is the operating system that is in direct communication with the hardware. It has direct hardware access to kernel mode and all of the devices on the physical machine. The guest operating system runs on top of a virtualization layer and all of the physical devices are virtualized. A host operating system should be as modular and thin as possible to allow the virtualization of the hardware to be as close to the physical hardware as possible, and so that dependencies that exist in the host operating don't restrict operation in the guest operating system.Read more: What_is_the_relationship_between_a_guest_operating_system_and_a_host_operating_system_in_a_system_like_VMware_what_factors_need_to_be_considered_in_choosing_the_host_operating_system
What is the difference between a network operating system and operating system security?
Network security concentrates on the packets of information flowing between computer systems.Operating System security controls access to resources on the server itself.Therefore, the two are looking at different things in terms of security.
What is an operating system is an operating system that organizes and coordinates how multiple users access and share resources on a network?
wikipedia, google, yahoo, facebook, twitter etc...
Difference between network and operating system security?
Network security concentrates on the packets of information flowing between computer systems.Operating System security controls access to resources on the server itself.Therefore, the two are looking at different things in terms of security.
What are the key features of a library operating system?
A library operating system is designed to efficiently manage and provide access to shared resources, such as files and data, for multiple users. Key features include resource sharing, security controls, multitasking capabilities, and support for networking.
Is Microsoft Access an example of personal computer's operating system?
No. Microsoft Access is a database application, not an operating system.
What are the main difference's between operating system for mainframe computer and personal computer?
1) A mainframe will support multiple users. A personal computer originally supported only one user at a time (Windows can now have simultaneous login sessions). 2) Multitasking. A mainframe must be able to multitask between different threads. Today, PC OSs do as well but earlier versions didn't have true preemptive multitasking. 3) Remote access. Most mainframes can be remotely managed. No such requirement on a PC. 4) A mainframe should easily support a large number of processes. A PC might not be well suited to this.
Distinguish between the Visitors and Visits in active server pages?
A single visitor may access multiple pages, counting one page visit for each page visited.
What is uid number?
A UID (User ID) number is a unique numerical identifier assigned to each user in a Unix-based operating system. It is used by the system to distinguish between different users and manage their permissions and access rights. Each user on the system is assigned a unique UID number.
What is an additional task which would have to be carried out by a multiuser operating system?
Between a single user and a multi user operating system?Generally the kernel of the multiuser operating system has to take care that one user can't interfere with the other, much like a multitasking operating system has to protect processes from each other.Also much like a single user multitasking system, any normal user absolutely must not be able to interfere with the system. This is generally why anything outside of ~ (/home/username) is read/execute-only at most for a user, except in cases where a user needs to be able to write out data, too, such as /tmp.Probably the best example is how security and access control is implemented. It's all highly user-oriented: A user will have rights over files they control and files they are granted rights to only. Keeping in mind there's different types of access and most users' write permissions are restricted to a user's own personal space.This access control varies. And in some cases the same multi-user system can be configured by its administrator to use many different kinds of access control. For example, Linux offers SELinux, Tomoyo, Apparmor, PaX, GrSec, or its default and plain vanilla access control lists wherein the system tracks user and group ownership of a file and determines what rights the user owner has, what rights the group owner has, and what rights non-owners have.
Is Microsoft's remote access software available with the Windows Server 2003 network operating system and the Windows XP client operating systems?
RRAS (Routing and Remote Access service)
Is Microsoft access an example of a personal computer's operating system?
No. Access is a personal (small-scale) database system.
What operating system allows open access to its programming code?
Linux.
What is the suitable Operating system for Database Management System?
Microsoft access
What provides access to all the software available on your computer?
The operating system.
What is one type of operating system?
The different types of operating system are as follows:-Real-time Operating System: It is a multitasking operating system that aims at executing real-time applications. Real-time operating systems often use specialized scheduling algorithms so that they can achieve a deterministic nature of behavior. The main object of real-time operating systems is their quick and predictable response to events. They either have an event-driven or a time-sharing design. An event-driven system switches between tasks based of their priorities while time-sharing operating systems switch tasks based on clock interrupts.Multi-user and Single-user Operating Systems: The operating systems of this type allow a multiple users to access a computer system concurrently. Time-sharing system can be classified as multi-user systems as they enable a multiple user access to a computer through the sharing of time. Single-user operating systems, as opposed to a multi-user operating system, are usable by a single user at a time. Being able to have multiple accounts on a Windows operating system does not make it a multi-user system. Rather, only the network administrator is the real user. But for a Unix-like operating system, it is possible for two users to login at a time and this capability of the OS makes it a multi-user operating system.Multi-tasking and Single-tasking Operating Systems: When a single program is allowed to run at a time, the system is grouped under a single-tasking system, while in case the operating system allows the execution of multiple tasks at one time, it is classified as a multi-tasking operating system. Multi-tasking can be of two types namely, pre-emptive or co-operative. In pre-emptive multitasking, the operating system slices the CPU time and dedicates one slot to each of the programs. Unix-like operating systems such as Solaris and Linux support pre-emptive multitasking. Cooperative multitasking is achieved by relying on each process to give time to the other processes in a defined manner. MS Windows prior to Windows 95 used to support cooperative multitasking.Distributed Operating System: An operating system that manages a group of independent computers and makes them appear to be a single computer is known as a distributed operating system. The development of networked computers that could be linked and communicate with each other, gave rise to distributed computing. Distributed computations are carried out on more than one machine. When computers in a group work in cooperation, they make a distributed system.Embedded System: The operating systems designed for being used in embedded computer systems are known as embedded operating systems. They are designed to operate on small machines like PDAs with less autonomy. They are able to operate with a limited number of resources. They are very compact and extremely efficient by design. Windows CE, FreeBSD and Minix 3 are some examples of embedded operating systems.
