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LINUX--特殊权限SUID,SGID,Sticky

SUID: 运行某程序时，相应进程的属主是程序文件自身的属主，而不是启动者 SGID: 运行某程序时，相应进程的属组是程序文件自身的属组，而不说启动者的属组 Sticky: 在一个公共目录，每个人都可以创建文件，删除...

Linux的特殊权限sticky、sgid与数据安全

Linux 系统中有一个特殊的目录 /tmp 称为临时目录，所有用户都可以在该目录里创建文件，那么就意味着 /tmp目录的权限是 rwxrwxrwx 那么，任何一个用户都可以删除该目录中任意一个文件，这是不允许的...

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linux命令：特殊权限位 SUID SGID Sticky

特殊权限命令简介： SUID: 运行某程序时，相应进程的属主是程序文件自身的属主，而不是启动者； chmod u+s FILE &...

linux的特殊权限SUID、SGID和SBIT

1、SUID，就重要的作用就是让其它用户在执行这个授有SUID的程序时拥有该程序拥有者的权限。就直接的例子就是passwd这命令： [root@localhost www]# ll /usr/bin/passwd -rwsr-xr-x 1 root root 31736 8...

Linux 文件目录特殊权限设定(SUID，SGID，SBIT)

Linux文件及目录的权限设定，除了我们孰知的读写执行(rwx)之外，还有一些特殊的权限设定用来满足特定的目录。这些特殊权限的设定主要是SUID，SGID以及SBIT。这几个值并非一个单独的rwx，而是在文件或目录上的x权限上做动作，来达到实现文件或目录特殊权限的目的。本文主要描述这3个特殊权限的用...

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