network operating system principles pdf

... 9.1: Identify Operating System Requirements In this activity, you will first identify the optimal operating system to use in a given situation. Next, you will analyze the operating system selection ... Objectives After completing this activity, you will be able to: ! Identify the appropriate operating system for a given set of requirements and constraints. Before You Begin This activity ... complete this activity: 15 minutes followed by a 10 minute discussion. Activity 9.1: Identify Operating System Requirements 63 Exercise 2: Analyzing Technology Selection (5 minutes) ! Analyze...

Ngày tải lên: 21/12/2013, 06:16

Ngày tải lên: 14/08/2014, 12:20

... a network is the network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network ... the network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating system ... features of the Windows 2000 operating systems and describe the different types of networks and network operating systems. Module 2, “Administration of a Windows 2000 Network, ” describes routine...

Ngày tải lên: 09/12/2013, 17:15

... Solaris Operating System ■ Oracle Database Quick Installation Guide for Solaris Operating System (SPARC 64-Bit) ■ Oracle Database Client Quick Installation Guide for Solaris Operating System (SPARC ... is being installed on this system and on the products that you are installing, you must create several operating system groups and users. The following operating system groups and user are required ... volume, bypassing the operating system file system layer. However, since raw devices can be difficult to create and administer, and because the performance gains over modern file systems are minimal,...

Ngày tải lên: 23/03/2014, 16:20

... security. 2.3.3 Securable operating systems To distinguish them from insecure operating systems we shall refer to operating systems like Unix and NT as securable operating systems. This should not ... non-deterministic, so human–computer systems are non-deterministic. For the machine part, one speaks of operating systems that govern the operation of computers. The term operating system has no rigorously ... in system administration? 4. Describe why ethics and human values are important. 5. Is system administration a science? Why/why not? 6. State the top-most principles that guide network and system...

Ngày tải lên: 03/06/2014, 01:29

... and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 File File - - System Control Blocks System Control Blocks A.7 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts ... Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 System Calls System Calls  System calls define the programmer interface to UNIX  The set of systems programs commonly ... run A.2 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 11, 2005 Module A: The FreeBSD System Module A: The FreeBSD System  UNIX History  Design Principles  Programmer Interface...

Ngày tải lên: 28/06/2014, 02:20

... Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 2, 2005 Solaris 2 Scheduling Solaris 2 Scheduling 5.49 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ... Scheduling  Thread Scheduling  Operating Systems Examples  Java Thread Scheduling  Algorithm Evaluation 5.40 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, ... next 5.43 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 2, 2005 5.08 5.08 5.26 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Feb 2,...

Ngày tải lên: 28/06/2014, 02:20

... i, then the system is in a safe state. 7.33 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7 th Edition, Feb 14, 2005 Deadlock Detection Deadlock Detection  Allow system to ... P 4 . 7.19 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7 th Edition, Feb 14, 2005 Basic Facts Basic Facts  If a system is in safe state ⇒ no deadlocks.  If a system is in unsafe state ⇒ possibility ... resource type. R j . 7.6 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts - 7 th Edition, Feb 14, 2005 System Model System Model  Resource types R 1 , R 2 , . . ., R m CPU cycles,...

Ngày tải lên: 28/06/2014, 02:20

... generate calls on whatever protection system is provided by the hardware and the operating system. 14.11 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Apr 11, ... ©2005 Operating System Concepts – 7 th Edition, Apr 11, 2005 Principles of Protection Principles of Protection  Guiding principle – principle of least privilege z Programs, users and systems ... ©2005 Operating System Concepts – 7 th Edition, Apr 11, 2005 Capability Capability - - Based Systems Based Systems  Hydra z Fixed set of access rights known to and interpreted by the system. z...

Ngày tải lên: 28/06/2014, 02:20

... 2005 Firewalling Firewalling to Protect Systems and Networks to Protect Systems and Networks  A network firewall is placed between trusted and untrusted hosts z The firewall limits network access between these ... Security 15.16 Silberschatz, Galvin and Gagne ©2005 Operating System Concepts – 7 th Edition, Jan 10, 2005 System and Network Threats System and Network Threats  Worms – use spawn mechanism; standalone ... SMTP)  System- call firewall monitors all important system calls and apply rules to them (i.e. this program can execute that system call) 15.6 Silberschatz, Galvin and Gagne ©2005 Operating System...

Ngày tải lên: 28/06/2014, 02:20

... such systems as the TITAN Supervisor [34], the the operating system [19] and Brinch Hansen’s RC4000 supervisor [5]; it is the approach to kernels described in standard texts on operating systems ... twenty years). The classical operating system kernel is to be found in most of the systems today: Unix, POSIX and Linux, Microsoft’s NT, IBM’s mainframe operating systems and many real-time kernels. ... specification [3] • the NICTA Workshop in 2004 on operating systems verification [23]; • Zhou and Black’s work [37]. Much of the formal work on operating systems has been verificational in nature. That...

Ngày tải lên: 23/07/2014, 23:20

Ngày tải lên: 29/07/2014, 08:20

... Novell Netware is not an operating system, per se. It is a network service for PCs which adds file storage, printing and other network services on top of the basic operating system: Windows, DOS, MacIntosh ... (255.255.255.0) 72 CHAPTER 2. SYSTEM COMPONENTS 3. What effect does temperature have on computer systems? 4. What is the function of an operating system? (Hint: how do you define an operating system? ) 5. Why ... multiuser operating systems? 6. What is meant by a securable operating system? 7. What is meant by a shell? 8. What is the role of a privileged account? Do non-securable operating systems have...

Ngày tải lên: 13/08/2014, 22:21

... INSTALLATION OF THE OPERATING SYSTEM 127 achieved with the installation procedures provided by these two operating systems. It means, however, that we need to be able to choose the operating system from a ... making a filesystem 4.5. INSTALLING A UNIX DISK 123 There are two main types of filesystem – a disk filesystem (called ufs, hfs etc.) (which means a physical disk) and the NFS network filesystem. If ... the boot blocks on the system disk so that a boot program can be located before there is an operating kernel which can interpret the filesystem. This applies to any operating system, e.g. SunOS has...

Ngày tải lên: 13/08/2014, 22:21

... to users and administrators. Each operating system services a specific function well, and if we are to allow users to move from operating system to operating system with access to their personal ... competing system to SNMP called COPS-PR [101]. 6.3. NETWORK ADMINISTRATION MODELS 207 6.3 Network administration models The management of clusters of systems leads to the concept of logistic networks. Here ... CHAPTER 6. MODELS OF NETWORK AND SYSTEM ADMINISTRATION 6.4.4 Jini and UPnP: management-free networks Jini is a Java derivative technology that is aimed at self-configuring ad hoc networks. It is middle-ware...

Ngày tải lên: 13/08/2014, 22:21

... of network known as a small-world network [319]. Definition 6 (Small-world network) . There is a class of highly clustered graphs that behave like random graphs. These are called small-world networks. Small-world ... differences which need to be accounted for. For example, the Solaris operating system is quite different from the GNU/Linux operating system, so some rules will apply to all hosts which run Solaris, ... commercial product based on SNMP network con- trol protocols. Openview aims to provide a common configuration management system for printers, network devices, Windows and HPUX systems. From a cen- tral...

Ngày tải lên: 13/08/2014, 22:21

Ngày tải lên: 13/08/2014, 22:21

Ngày tải lên: 13/08/2014, 22:21

Ngày tải lên: 13/08/2014, 22:21