User Information System from SU01

To get quick User related information in an SAP System:

1. Go to transaction code SU01
2. From the upper menu, click on 'Information'
3. From drop-down menu, click on 'Information System'
4. You should see a Menu Tree showing various User Admin areas such as:

• User
• Roles
• Profiles
• Authorizations
• Authorization Objects
• Transactions
• Comparisons
• Where-Used List; and
• Change Documents

Browse through the above and you will realize there are so many User/Security admin tasks you can perform from here!