User Managment

Here are some user management commands in Linux with examples:

1. Create a new user:

   useradd john

   This command creates a new user account named "john".

2. Set/change password for a user:

   passwd john

   This command allows you to set or change the password for the user "john".

3. Modify user properties:

   usermod -aG sudo john

   This command adds the user "john" to the "sudo" group, granting them administrative privileges.

4. Delete a user:

   userdel john

   This command deletes the user account "john".

5. Display user and group information:

   id john

   This command displays the user and group information for the user "john".

6. Switch to another user account:

   su - john

   This command allows you to switch to the user account "john".

7. Execute a command with administrative privileges:

   sudo apt-get update

   This command executes the "apt-get update" command with root privileges.

8. Configure password expiry information:

   chage -l john

   This command displays the password expiry information for the user "john".

9. Lock or unlock a user account:

   usermod -L john

   This command locks the user account "john".

   usermod -U john

   This command unlocks the user account "john".