New and deleted users in Linux can use the command: Useradd

2. New and deleted users in Linux can use the command: Useradd

   Let's first use the man command to understand the use of useradd.

4. New and delete user actions need to get advanced user Rights First

   Input command: Sudo-i

   Enter advanced user password after OK

6. Create a new user Cindy using Useradd

   Input command: Useradd Cindy

8. Create a home folder for users

   Input command: Test–d/home/cindy

10. Take a look at the information about the user Cindy you just created

    Input command: grep cindy/etc/passwd/etc/shadow/etc/group

    Create a row of account-related data in/etc/passwd, including creating a Uid/gid/home folder, etc.

    In/etc/shadow, fill in the password related parameters of this account.

    Add a group name that is the same as the account name in/etc/group

12. Set the password for the created account, there is no way to set the password to login, we still first use the man command to understand the usage of passwd

14. Input command: passwd Cindy

    After confirmation, you will be prompted to enter a new password, once again confirm the password

    If the password is the same, the prompt changes successfully

    If the password is inconsistent two times, the prompt change is unsuccessful

16. Now let's use the newly created user Cindy Login to see it.

    Input command: su Cindy

    OK to enter Cindy User action

18. 9

    Remove add extra user, include user's home folder to delete together

    Input command: Userdel–r Cindy

New and deleted users in Linux can use the command: Useradd