Delimited continuations in operating systems
... wish to know of each other’s updates must exchange them, possibly through a common arbiter—the operating-system kernel—using the same system-call interface based on delimited continuations discussed in Section 2.1. The arbiter may reconcile or reject the updates and report the result to the concurre ...
... wish to know of each other’s updates must exchange them, possibly through a common arbiter—the operating-system kernel—using the same system-call interface based on delimited continuations discussed in Section 2.1. The arbiter may reconcile or reject the updates and report the result to the concurre ...
What is an Operating System?
... Typically system has many processes, some user, some operating system running concurrently on one or more CPUs ...
... Typically system has many processes, some user, some operating system running concurrently on one or more CPUs ...
process - Erciyes Üniversitesi IIBF
... Process termination requires reclaim of any reusable resources Single-threaded process has one program counter specifying location of next instruction to execute Process executes instructions sequentially, one at a time, until completion Multi-threaded process has one program counter per thr ...
... Process termination requires reclaim of any reusable resources Single-threaded process has one program counter specifying location of next instruction to execute Process executes instructions sequentially, one at a time, until completion Multi-threaded process has one program counter per thr ...
slides - cse.sc.edu
... What do we mean by code executing with too much privilege? • Software performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.[2] • High privilege – any process that is capable of perfor ...
... What do we mean by code executing with too much privilege? • Software performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.[2] • High privilege – any process that is capable of perfor ...
Slide 1 - IITK - Indian Institute of Technology Kanpur
... anti-virus protection subscription. Ideally a server should be configured to push virus updates out periodically to all client systems. Employees should be educated about viruses and discouraged from opening e-mail attachments or e-mail from unknown senders. ...
... anti-virus protection subscription. Ideally a server should be configured to push virus updates out periodically to all client systems. Employees should be educated about viruses and discouraged from opening e-mail attachments or e-mail from unknown senders. ...
Preparation Identification Containment
... location on Internet filters ; - Restrict strategic file servers to reject connections from the compromised computer; - Select what kind of files can be lost / stolen and restrict the access for confidential files; - Create fake documents with watermarking that could be use as a proof of theft; - No ...
... location on Internet filters ; - Restrict strategic file servers to reject connections from the compromised computer; - Select what kind of files can be lost / stolen and restrict the access for confidential files; - Create fake documents with watermarking that could be use as a proof of theft; - No ...
Computer Systems Overview
... Implements “long-term memory” (usually on disk) Information stored in named objects called files • a convenient unit of access and protection for the Operating System ...
... Implements “long-term memory” (usually on disk) Information stored in named objects called files • a convenient unit of access and protection for the Operating System ...
Operating System Structures
... – control-card interpreter – command-line interpreter – shell (in UNIX) Its function is to get and execute the next command statement. ...
... – control-card interpreter – command-line interpreter – shell (in UNIX) Its function is to get and execute the next command statement. ...
Chapter 2: Attackers and Their Attacks
... TCP/IP Hijacking (continued) Certain types of local area networks (LANs), such as Ethernet, must also have another address, called the media access control (MAC) address, to move information around the network Computers on a network keep a table that links an IP address with the corresponding add ...
... TCP/IP Hijacking (continued) Certain types of local area networks (LANs), such as Ethernet, must also have another address, called the media access control (MAC) address, to move information around the network Computers on a network keep a table that links an IP address with the corresponding add ...
2.01 - Computer Science at Rutgers
... and controls managed, then also associated with each process, file Privilege escalation allows user to change to effective ID with more rights Rutgers University, CS 416, Spring 2008 ...
... and controls managed, then also associated with each process, file Privilege escalation allows user to change to effective ID with more rights Rutgers University, CS 416, Spring 2008 ...
How UTM Solutions Provide the Most Complete
... Stops Attacks at the Network Gateway to Keep Your Business Moving The multi-functional security approach offered by UTM appliances lets you avert catastrophe by blocking a broad range of network threats before they have the opportunity to enter your network. For example, malicious code will not have ...
... Stops Attacks at the Network Gateway to Keep Your Business Moving The multi-functional security approach offered by UTM appliances lets you avert catastrophe by blocking a broad range of network threats before they have the opportunity to enter your network. For example, malicious code will not have ...
CHAPTER 1: Computer Systems
... Program instructions must be loaded into memory by hand No user interface except for I/O routines provided with executing program System is idle when waiting for user input No facility to store, retrieve, or manipulate files No ability to control peripheral devices Can run only one progr ...
... Program instructions must be loaded into memory by hand No user interface except for I/O routines provided with executing program System is idle when waiting for user input No facility to store, retrieve, or manipulate files No ability to control peripheral devices Can run only one progr ...
Distributed Computing Systems
... • DOS (Distributed Operating Systems) • NOS (Network Operating Systems) • Middleware ...
... • DOS (Distributed Operating Systems) • NOS (Network Operating Systems) • Middleware ...
A Secure Anti-Collusion Data Sharing Scheme for
... two verifications for signature, which is irrelevant to the number of the revoked users. The reason for the small computation cost of the cloud in the phase of file upload in RBAC scheme is that the verifications between communication entities are not concerned in this scheme. In our scheme, the u ...
... two verifications for signature, which is irrelevant to the number of the revoked users. The reason for the small computation cost of the cloud in the phase of file upload in RBAC scheme is that the verifications between communication entities are not concerned in this scheme. In our scheme, the u ...
Slide 1
... new computer (with no operating system pre-installed) Conclusion: Installation of software is a very complicated process. (Refer to the LFS “Distribution” if you want to get a feel of this) ...
... new computer (with no operating system pre-installed) Conclusion: Installation of software is a very complicated process. (Refer to the LFS “Distribution” if you want to get a feel of this) ...
PPT
... (Biggest file, Maximum number of processes, etc.) What happens as the demand for resources increases? (graceful degradation? ) ...
... (Biggest file, Maximum number of processes, etc.) What happens as the demand for resources increases? (graceful degradation? ) ...
- jGyan.com
... • Protection – any mechanism for controlling access of processes or users to resources defined by the OS • Security – defense of the system against internal and external attacks ▫ Huge range, including denial-of-service, worms, viruses, identity theft, theft of service ...
... • Protection – any mechanism for controlling access of processes or users to resources defined by the OS • Security – defense of the system against internal and external attacks ▫ Huge range, including denial-of-service, worms, viruses, identity theft, theft of service ...
lec01 - CSE @ UCR
... owns the machine and shares resources while making them seem better than they are Beautician that hides all the ugly low level details so that anyone can use a machine (e.g., smartphone!) Referee that arbitrates the available resources between the running programs efficiently, safely, fairly, and se ...
... owns the machine and shares resources while making them seem better than they are Beautician that hides all the ugly low level details so that anyone can use a machine (e.g., smartphone!) Referee that arbitrates the available resources between the running programs efficiently, safely, fairly, and se ...
CS 153 Design of Operating Systems
... owns the machine and shares resources while making them seem better than they are Beautician that hides all the ugly low level details so that anyone can use a machine (e.g., smartphone!) Referee that arbitrates the available resources between the running programs efficiently, safely, fairly, and se ...
... owns the machine and shares resources while making them seem better than they are Beautician that hides all the ugly low level details so that anyone can use a machine (e.g., smartphone!) Referee that arbitrates the available resources between the running programs efficiently, safely, fairly, and se ...
Chapter 1 Introduction
... – Hardware: processors, memory, disks, printers, keyboard, display, network interfaces, … – Software: office tools, multimedia players, … ...
... – Hardware: processors, memory, disks, printers, keyboard, display, network interfaces, … – Software: office tools, multimedia players, … ...
Document
... We need to keep track of which user keeps track of how many and which kind of computer resources. ...
... We need to keep track of which user keeps track of how many and which kind of computer resources. ...
Chapter 13
... • TCB everything in the OS that we rely on to enforce security • If everything outside TCB is subverted, trusted OS would still be trusted • TCB protects users from each other ...
... • TCB everything in the OS that we rely on to enforce security • If everything outside TCB is subverted, trusted OS would still be trusted • TCB protects users from each other ...
The Operating System The Operating System of the computer is a
... administration software tools. All server aspect of MAC OS X Server has been integrated into the client version as well. MINIX is an operating system that fulfills both open source and proprietary roles. It was first released in 1987 with its complete source code made available to universities for s ...
... administration software tools. All server aspect of MAC OS X Server has been integrated into the client version as well. MINIX is an operating system that fulfills both open source and proprietary roles. It was first released in 1987 with its complete source code made available to universities for s ...
MODULE NAME: INFORMATION TECHNOLOGY 2
... allow users to share resources and files located on their computers and to access shared resources found on other computers. However, they do not have a file server or a centralized management source (See fig. 1). In a peer-to-peer network, all computers are considered equal; they all have the same ...
... allow users to share resources and files located on their computers and to access shared resources found on other computers. However, they do not have a file server or a centralized management source (See fig. 1). In a peer-to-peer network, all computers are considered equal; they all have the same ...