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No medium Found, 4.0, Notes
4. Path Resolution
-  no-one reads path_resolution(7); slide
-  This was done as the most significant part of the proof-of-concept.
-  source file name on screen
 4.1 Start of the Resolution Process 
-  root vs currdir inode; slide
-  prints absolute paths for background processes
 4.2 Walk Along the Path 
 4.3 Find the Final Entry 
 4.4 Limits 
-  ENAMETOOLONG pathname; slide
-  ENAMETOOLONG filename; slide
-  ENOENT empty; slide
 4.5 Permissions 
-  this takes a lot of explaining; slide
-  permission bits are not bit-wise ORed together
-  file "--x" and directory "--x" are different