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Introduction to security

Security and your system
    Who should read this?
    What is security?

Elements of the security policy

The kernel and system architecture
    System architecture (SA) definition
    File management
    I/O management
    Kernel utilities
    Memory management
    Process management
    System services
    Access control
        DAC checking algorithm
    How system architecture relates to security
    How modularity relates to security
    How object reuse relates to security
        Object reuse and physical media

Security mechanisms visible to users
    Identification and authentication (I&A)
        login
    Discretionary access control (DAC)
        File permission modes
        Access control lists (ACLs)
        DAC commands and system calls
    Process privileges
        File privileges
        Privileges possessed by processes
        Relating file privileges and process privileges

How the components of the system work together
    The shell