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Chapter 6. Security customization > Access checking flows - Pg. 229

6.22 Access checking flows Unix program fopen("/u/harry/programx/myfile","rw") 1) open "/" directory for search (execute) access 2) open "u" directory for search (execute) access 3) open "harry" directory for search (execute) access 4) open "programx" directory for search (execute access) 5) open "myfile" file for read and write access C Runtime Library z/OS UNIX Kernel Logical File System zFS FSP ACL zFS File System PFS IRRSKA00 IRRRKA00 SAF RACF SMF