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How to view and read permission information

How to view file properties and directory properties

Understanding of the fields of the attribute

Understanding of file attribute fields 1 type 2 file permissions file permissions 3SELinux ContentSELinux Content4 file hard links number of subdirectories 5 number of file owners 6 file owners group files have group 7 file size directory subfile or subdirectory metadata size 8 the contents of the directory were last modified One modified time 9 file name directory name file owner and ownership group

File ownership group and ownership group

Linux is a multi-user and multi-task system. Many people often use the same host to work at the same time. They classify users by considering everyone's right to privacy and their preferred working environment.

User's identity division of the file

1. File owner (user)

two。 Group to which the file belongs (group)

3. Others (other)

Change the file owner and the method of owning the group

File owners and ownership groups can only be modified by superuser root

The way to change is as follows

Chown user name file chgrp group name file chown-R user name directory chgrp-R group name directory chown user name: group name file | directory

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