CIF_USER_PREF is a standard SAP Table which is used to store User Settings data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The CIF_USER_PREF table consists of various fields, each holding specific information or linking keys about User Settings data available in SAP. These include USERNAME (User name), LAY_STORE_MODE (Mode for Layout Storage), BUFFER_MODE (Buffering Mode)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .