Contents

• Contents
• Introduction
• File Security
  • Current Setup
• Understanding File Permissions
  • Directory Rights (lookup, insert, delete, administer)
  • File Rights (read, write, lock)
  • Shortcuts
• Accessing Files Permitted to You
  • Checking File Permissions
• Changing File Permissions: Working With ACLs
  • Adding a User to an ACL
  • Examples
  • Removing an ACL Entry
  • Denying a User Access
• Using the chmod Command
• Working With Groups
  • Creating a Group
  • Adding Users to a Group
  • Setting an ACL Entry for a Group
  • Listing Group Members
  • Listing the Groups to Which You Belong
  • Removing a User From a Group
  • Removing a Group
• Getting Help