What does User buffer mean? Which parameter controls the number of ent

1.	What does User buffer mean? Which parameter controls the number of entries in the user buffer?
Answer» An SAP system AUTOMATICALLY creates a USER buffer when a user signs on. This buffer includes all authorizations for that user. Each user has their own buffer, which they can display using the T-code SU56. The tool is only for monitoring purposes, and no further ACTION can be taken. The following profile PARAMETER controls the number of entries in the user buffer: “Auth/auth_number_in_userbuffer”.

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