quartz/content/notes/24-protection-of-file-systems.md

title	aliases	tags
24-protection-of-file-systems		cosc204 lectures

protection model

file system shared by many users

• users should be able to keep them private

need to define

• mechanisms
• policies

types of file access users can have

• read
  • includes list
• write
  • includes delete
• execute
  • if a directory is not executable you cannot get into it (run it)

Access control bits

access control models