在"ls -lah"的输出中，许可权末尾的点是什么?意思是? [英] What does the dot at the end of the permissions in the output of "ls -lah" mean?

问题描述

我找到了一些Linux文件，当我键入ls -lah时，它会输出以下权限格式:

I found some Linux files, and when I type ls -lah, it outputs this permissions format:

... 
drwxr-xr-x.  2 root    root  
...
-rw-rw-r--.  1 root    root 
...

我想知道，权限格式末尾的点(-rw-rw-r--.)是什么意思?

I would like to know, what is the meaning of the dot (-rw-rw-r--.) at the end of the permissions format?

推荐答案

在Linux下的info coreutils 'ls invocation'中

GNU `ls' uses a `.' character to indicate a file with an SELinux
     security context, but no other alternate access method.

A file with any other combination of alternate access methods is
     marked with a `+' character.

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