ENPM 808B: Secure Operating Systems
... applications and on which security-minded professionals rely, whether they are monitoring activity on a computer, testing applications for security, or determining how malicious code affected their network. This course covers advanced topics in operating systems including process management and comm ...
... applications and on which security-minded professionals rely, whether they are monitoring activity on a computer, testing applications for security, or determining how malicious code affected their network. This course covers advanced topics in operating systems including process management and comm ...
Mainframe System
... On-line access to data and code system must be able to provide data and code to the user. ...
... On-line access to data and code system must be able to provide data and code to the user. ...
CSC204 – Programming I
... use by humans (users). Some systems support multiple simultaneous users, while others are limited to one user at a time. Systems in the latter category are usually called personal computers, although high-end singleuser systems are often called workstations. ...
... use by humans (users). Some systems support multiple simultaneous users, while others are limited to one user at a time. Systems in the latter category are usually called personal computers, although high-end singleuser systems are often called workstations. ...
Document
... If user programs execute with the mode bit clear, and do not have privilege to set it, how can they invoke the OS so that it can run with the mode bit set? ...
... If user programs execute with the mode bit clear, and do not have privilege to set it, how can they invoke the OS so that it can run with the mode bit set? ...
Lecture10c,Boot,process
... Using Safe Mode to Start the Computer: Safe mode is a method of starting Windows XP Professional by using only default settings, which include a VGA video driver, a Microsoft mouse driver, and the minimum device drivers necessary to start the computer. When your computer will not start normally, yo ...
... Using Safe Mode to Start the Computer: Safe mode is a method of starting Windows XP Professional by using only default settings, which include a VGA video driver, a Microsoft mouse driver, and the minimum device drivers necessary to start the computer. When your computer will not start normally, yo ...
Syllabus - Regis University: Academic Web Server for Faculty
... CS 431 – OPERATING SYSTEMS ANALYSIS/DESIGN (3). Studies basic facilities provided in modern operating systems including processor scheduling, memory management, and file systems. Topics include: deadlock detection, paging, concurrency, thread, disk scheduling, caching, and virtual machines. ...
... CS 431 – OPERATING SYSTEMS ANALYSIS/DESIGN (3). Studies basic facilities provided in modern operating systems including processor scheduling, memory management, and file systems. Topics include: deadlock detection, paging, concurrency, thread, disk scheduling, caching, and virtual machines. ...
ch11
... NFS is standard UNIX client-server file sharing protocol CIFS is standard Windows protocol Standard operating system file calls are translated into remote calls ...
... NFS is standard UNIX client-server file sharing protocol CIFS is standard Windows protocol Standard operating system file calls are translated into remote calls ...
Figure 11.01 - 醫學資訊系 鄭仁亮教授
... NFS is standard UNIX client-server file sharing protocol CIFS is standard Windows protocol Standard operating system file calls are translated into remote calls ...
... NFS is standard UNIX client-server file sharing protocol CIFS is standard Windows protocol Standard operating system file calls are translated into remote calls ...
Introduction to Operating Systems
... • One or more threads to get data from sensor • 1000 times per second; cannot afford to miss a ...
... • One or more threads to get data from sensor • 1000 times per second; cannot afford to miss a ...
Operating Systems Concepts Resource Abstraction
... copy of everything. – exec system call used after a fork to replace the process’ memory space with a new program. – child and parent compete for CPU like two normal processes. ...
... copy of everything. – exec system call used after a fork to replace the process’ memory space with a new program. – child and parent compete for CPU like two normal processes. ...
bit8_DC_Lecture_2
... • Simultaneous use of multiple compute resources to solve a computational problem on multiple CPUs • A problem is broken into discrete parts that can be ...
... • Simultaneous use of multiple compute resources to solve a computational problem on multiple CPUs • A problem is broken into discrete parts that can be ...
Chapter 3: Processes(PPT)
... calling a procedure (function) that is executed by a different process on another machine Issues with endianism, data encoding Must define a common data representation Issues with synchronisation of processes and returning of results ...
... calling a procedure (function) that is executed by a different process on another machine Issues with endianism, data encoding Must define a common data representation Issues with synchronisation of processes and returning of results ...
Chapter 10 PowerPoint
... • Each volume must be mounted before it can be available to processes on the system • To mount a volume, the OS must be given the device name and the mount point (the location within the file structure where the new file system will be attached). • What happens if a file system is mounted over a dir ...
... • Each volume must be mounted before it can be available to processes on the system • To mount a volume, the OS must be given the device name and the mount point (the location within the file structure where the new file system will be attached). • What happens if a file system is mounted over a dir ...
System Call - Programs in Mathematics and Computer Science
... North Carolina Central University Slides are in courtesy of Silberschatz, Galvin, and Gagne ...
... North Carolina Central University Slides are in courtesy of Silberschatz, Galvin, and Gagne ...
Applications, Address Spaces, and Processes
... creates a new address space (called the child) copies the parent’s address space into the child’s starts a new thread of control in the child’s address space parent and child are equivalent -- almost • in parent, fork() returns a non-zero integer • in child, fork() returns a zero. • difference allow ...
... creates a new address space (called the child) copies the parent’s address space into the child’s starts a new thread of control in the child’s address space parent and child are equivalent -- almost • in parent, fork() returns a non-zero integer • in child, fork() returns a zero. • difference allow ...
PowerPoint 簡報
... Kernel data and Kernel functions and each process’s kernel-level stack are stored in the kernel address space and could be accessed only when a process (thread) is in kernel mode. The contents of the user address space of different processes maybe are different; however, the contents of all processe ...
... Kernel data and Kernel functions and each process’s kernel-level stack are stored in the kernel address space and could be accessed only when a process (thread) is in kernel mode. The contents of the user address space of different processes maybe are different; however, the contents of all processe ...
Chapter 5: Windows Installation
... Terms often used when comparing operating systems: Multi-user – Two or more users can work with programs and share peripheral devices, such as printers, at the same time. Multi-tasking – The computer is capable of operating multiple applications at the same time. Multi-processing – The compute ...
... Terms often used when comparing operating systems: Multi-user – Two or more users can work with programs and share peripheral devices, such as printers, at the same time. Multi-tasking – The computer is capable of operating multiple applications at the same time. Multi-processing – The compute ...
Inside and Outside the OS
... programs to be executed Deciding which process shall be executed next by the processor Swapping processes Deciding which process’s pending I/O request shall be handled by an available I/O device ...
... programs to be executed Deciding which process shall be executed next by the processor Swapping processes Deciding which process’s pending I/O request shall be handled by an available I/O device ...
continued…
... OS gives control to the program Program requests memory addresses from OS for its data Program initializes itself; possibly requests that data from secondary storage be loaded into memory Program turns to user for first instruction ...
... OS gives control to the program Program requests memory addresses from OS for its data Program initializes itself; possibly requests that data from secondary storage be loaded into memory Program turns to user for first instruction ...
unit 1 operating system for parallel computer
... In multiprocessing, various processors need to communicate with each other. Thus, synchronisation is required between them. The performance and correctness of parallel execution depends upon efficient synchronisation among concurrent computations in multiple processes. The synchronisation problem ma ...
... In multiprocessing, various processors need to communicate with each other. Thus, synchronisation is required between them. The performance and correctness of parallel execution depends upon efficient synchronisation among concurrent computations in multiple processes. The synchronisation problem ma ...
Introduction
... Example: Byzantine Agreement Introduced as voting problem (Lamport, Shostak, Pease ’82) A and B can defeat enemy iff both attack A sends message to B: Attack at Noon! General A ...
... Example: Byzantine Agreement Introduced as voting problem (Lamport, Shostak, Pease ’82) A and B can defeat enemy iff both attack A sends message to B: Attack at Noon! General A ...
