If you need to create a lot of users in one time period on SAP system then you can follow the quick steps below ;

Goto tcode SU10 and input the user names which you want to create in one time

Continue with CREATE button

We can continue with next screen and we can add/remove/check any options like profile or role authorizations , parameters etc.. for all users in one screen shown below

Continue with SAVE button

Now we can see the results screen with automated created passwords