V2EX privilege level

Privilege Level

释义 Definition

权限级别;特权等级:指在系统(尤其是操作系统、数据库、网络或处理器架构)中,某个用户、进程或代码所拥有的操作权限高低与可访问资源范围。常见如“管理员/普通用户”、CPU 的“内核态/用户态”等。

发音 Pronunciation (IPA)

/prvld lvl/

词源 Etymology

privilege 源自拉丁语 privilegium(“特殊法律/特许”),由 privus(私人、个别)+ lex/legis(法律)构成,原指“给予个别人的特别权利”。level 表示“等级、层级”。合起来 privilege level 就是“特权所处的等级/层级”,在现代技术语境中常用于描述系统访问控制的分层。

例句 Examples

The app runs with a low privilege level for safety.
为安全起见,这个应用以较低的权限级别运行。

If an attacker gains a higher privilege level, they can modify system files and disable security tools.
如果攻击者获得更高的权限级别,他们就可能修改系统文件并禁用安全工具。

相关词 Related Words

文学与著作 Literary Works

  • Intel 64 and IA-32 Architectures Software Developer’s Manual(讨论 CPU 的特权级/环级概念,如保护机制与执行权限层级)
  • Operating System Concepts(Silberschatz 等,《操作系统概念》;涉及用户态/内核态与权限分层)
  • Computer Systems: A Programmer’s Perspective(Bryant & O’Hallaron,《深入理解计算机系统》;涉及进程权限、系统调用与受保护操作)
  • Windows Internals(Russinovich 等,《Windows 内部机制》;涉及访问令牌、权限与提升等概念)
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