7 IBM AIX fundamentals ' Copyright IBM Corp. 2 020. All rights reserved. 161 This chapter explains IBM AIX fundamentals.  This chapter describes the following topics: GLYPH<SM590000> Logical Volume Manager GLYPH<SM590000> AIX Enhanced Journaled File System GLYPH<SM590000> Role-based access control GLYPH<SM590000> Encrypted File System GLYPH<SM590000> AIX Security Expert and IBM PowerSC integration GLYPH<SM590000> The AIX Auditing subsystem and Autonomic Health Advisor File System GLYPH<SM590000> MultiBOS