In general, and under surprisingly weak assumptions, one cannot decide if a situation is safe. Various implications of this fact are discussed. 展开 关键词: Turing machine decidability operating system protection protection system DOI: 10.1145/360303.360333 被引量: 2149 ...
aOperating systems must also be concerned with protecting and securing the operating system and users. Protection are mechanisms that control the access of processes or users to the resources made available by the computer system. Security measures are responsible for defending a computer system from ...
operating system《操作系统》ch14-protection-25 Chapter14:Protection Chapter14:Protection GoalsofProtectionPrinciplesofProtectionDomainofProtectionAccessMatrixImplementationofAccessMatrixAccessControlRevocationofAccessRightsCapability-BasedSystemsLanguage-BasedProtection 14.2 Objectives Discussthegoalsandprinciplesofprotection...
roles,whichUnixdoesnotallowingeneral,thoughthisissomewhatavailablethrough theuseoftheUnixsuperuser,or“root.” AnothercommonfeatureofUnix-likeoperatingsystemsiswhatisreferredtoasthe “effectiveuserID”system.Underthissystem, the user who is the owner of a file which ...
This wizard may be in English only; however, the automatic fix also works for other language versions of Windows. If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or to a CD, ...
An operating system and protection system. The invention protects a latest base system setting of the operating system of a computing system in which the invention is performed. The invention employs a virtual device driver (VXD) that is substantially transparent to the operating system. The inventi...
This document defines the security functionality expected to be provided by a general-purpose operating system capable of operating in a networked environment. It also provides a set of assurance components that define the minimum set to be used in an evaluation of an operating system for compliance...
For example, an antivirus driver typically stays loaded in memory when the operating system is running. Occasionally, this driver might need to be unloaded and replaced with an updated release of the driver. Other drivers send I/O requests to the antivirus driver to access the data and ...
It means you can't open one or more work files because the encryption keys are not available. This scenario typically happens if the operating system partition is wiped and work files are stored on another partition or drive. To restore access to your work files...
VMware VM: Protection is available for any workload that runs in a VMware virtual machine. Site Recovery provides application-aware replication for many types of workloads or applications that run on top of the server operating system. Application replication is su...