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Turn on the firewall
Enable firewall logging
Enable firewall stealth mode
Where's the firewall gone? (10.5)
Force programs to quit
Apple's special keys
Don't open Spotlight files
Customise Spotlight categories
Stop Spotlight finding files
Stop services to improve security
Prevent network security changes
Clean up your desktop
Hide and see
Finder shortcuts
Drag to email
Find files and folders (10.4)
Colour code files and folders (10.4)
Find colour coded files (10.4)
Search for multiple colour labels (10.4)
Add folders to the Dock (10.4)
Menus in the Dock (10.4)
Partition your USB disk (10.4)
Secure data with FileVault (10.4/5)
Don't corrupt your backup (10.4/5)
Disable menu translucency (10.5)
Customise the desktop (10.4/5)
Use multiple desktops (10.5)
Efficiently use Spaces (10.5)
Start apps in their own Space (10.5)
Improve battery life part 1 (10.4/5)
Improve battery life part 2 (10.4/5)
Improve battery life part 3 (10.4/5)
Remove unnecessary Dock items (10.5)
Shrink the Dock (10.4/5)
Insert special characters (10.4/5)
Drag and drop email (10.4/5)
Check for disk faults (10.4/5)
Fix disk faults (10.4/5)
Boot from a CD/DVD (10.4/5)
Boot from an external hard disk (10.4/5)
Defragment the disk part 1 (10.4/5)
Defragment the disk part 2 (10.4/5)
Disable login items (10.4/5)
Copy and paste files (10.4/5)
Connect to Windows PCs Part 1 (10.4/5)
Connect to Windows PCs Part 2 (10.4/5)
Can't connect to another Mac? (10.4/5)
Connect to a Mac from a Windows PC (10.4/5)

View multiple files in Preview (10.4/5)
Sort and resize Preview thumbnails (10.4/5)
View files with Quick Look (10.5)
View multiple files with Quick Look (10.5)
Customise the Finder window toolbar (10.4/5)
Create an instant slide show (10.5)
All about an alias (10.4/5)
When Help won't work (10.4/5)
Your favourite characters (10.4/5)
Use the right thesaurus (10.4/5)
Securely delete files (10.4/5)
Switch finder views (10.4/5)
Shrink photos for emailing(10.4/5)
Open with another application (10.4/5)
Novices: Calibrate your monitor (10.5)
Experts: Calibrate your monitor (10.5)
Find where downloads came from (10.4/5)
Calibrate your Macbook's battery (10.4/5)
Start up in Safe Mode (10.4/5)
Eject discs on startup (10.4/5)
View status messages on startup (10.4/5)
Speed up Time Machine backups (10.5)
Stop Spotlight indexing everything (10.4/5)
Securely erase disks with Disk Utility (10.4/5)
View hidden files in Finder (10.4/5)
Use email read receipts in Mail (10.5)
Get more memory - close widgets
Some files are actually folders
Mac memory explained
Improve your wi-fi network
Choose your preferred Wi-Fi network

iTunes: A better shuffle
iTunes: A better Party Shuffle
iTunes: Find and delete duplicates
iTunes: Customise podcast settings
iTunes: Listen to music you've never heard before
iTunes: Add a shopping cart
Stickies: Create bulleted lists
Stickies: Select bullet styles
Stickies: Search using Spotlight and Google
Stickies: Click and drag