Linux Administration/Devices and Filesystems/Permissions

This lesson covers permissions.

Objectives and Skills

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

• 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

1. Wikipedia: File system permissions

Activities

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

References

← Disk Quotas

Linux Administration/Devices and Filesystems

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