Linux user management related documents

User and user group management-2.1 User management related files

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1. The user's home directory

• Ordinary user: / home / username / (The default owner and group of this directory are both this user and the permissions are 700)

• Super user: / root / (The default owner and the group to which this directory belongs are both root users with permissions of 550)

• Note: Changing other users to super users should correct the user's UID, but his home directory will not change,

2. User's mailbox

• / var / spool / mail / username /

3. User template directory

• /etc/skel/

• Files will be copied from here when adding new users

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