Linux Administration/Devices and Filesystems/Permissions

This lesson covers permissions.

Objectives and Skills

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Objectives and skills for the permissions portion of Linux+ certification include:[1]

  • Manage file permissions and ownership
    • Manage access permissions on regular and special files as well as directories
    • Use access modes such as suid, sgid and the sticky bit to maintain security
    • Know how to change the file creation mask
    • Use the group field to grant file access to group members
    • The following is a partial list of the used files, terms and utilities:
      • chmod
      • umask
      • chown
      • chgrp

Readings

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  1. Wikipedia: File system permissions

Multimedia

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Activities

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  1. Complete the tutorial IBM: Learn Linux, 101: Manage file permissions and ownership

Lesson Summary

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Key Terms

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References

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