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whowin
whowin
whowin.cn·Aug 25, 2022
Aug 25, 2022

Linux文件权限:setuid、setgid和sticky bit

Linux 下的文件权限管理分为三组:拥有者、组、其它用户,文件权限分为读、写、执行,但其实并不仅仅如此,还有 setuid、setgid、sticky bit 这一组标志,本文通过一个可执行文件的权限 4755 展开介绍 setuid、setgid 和 sticky bit 的概念,希望本文对读者理解 Linux 文件权限管理能有所帮助。 1. 概述 本文通过一个 4755 权限的可执行文件引出了关于 Linux 下与文件权限相关的一系列概念,包括 uid、euid、gid、egid、s...

Linux文件权限:setuid、setgid和sticky bit
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