Linux command--usermod

2. Command format:
   

   usermod [Options] User name

4. Command function:

   Modify user account Properties

5. Common options:

   - u Modify UID number of user account

   - D Modify the user host Directory
   

   - e Modify user account expiration time

   - s Modify user login Shell

   - g Modify user base Group

   - g Modify user Attach Group

   - l change user name

   - l Lock user account

   - u unlock user account

7. Common examples:

   Example one: change user account Zhangsan to Lisi

   Command: usermod-l Lisi Zhangsan
   

   Description: The option "-L" followed by the modified name, and the first name before the change in the last

   
   

   Note: Usermod inside the lock and unlock the user's options are uppercase, to distinguish it from the options in the passwd command, the other options are the same as the Useradd command described earlier
   

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Linux command--usermod