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NetEase Cloud Classroom _linux Operating system introduction (embedded development 0 Basic Ⅰ) _ Chapter 3:linux command (bottom)

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Lesson 30 user additions and deletions and viewing

User additions and deletions

User Add Command: Useradd

User Delete command: Userdel

User View

View Current user commands: WhoAmI

View all login user commands: Who

User ID view command: ID

Lesson 31 User Switching

User Switching

Inter-user Switch command: su command

User temporarily gets admin authorization command: sudo command name

Lesson 32 User Account Configuration

User account lockout

User account lockout: usermod-l

Unlocking the user account: Usermod-u

User account configuration file

User account file:/etc/passwd

User Shadow password file:/etc/shadow

NetEase Cloud Classroom _linux Operating system introduction (embedded development 0 Basic Ⅰ) _ Chapter 3:linux command (bottom)

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