Rocking the Mac Terminal

For the system administrator
Shutdown:shutdown now
Restart:shutdown -r now
Install all updates:sudo softwareupdate -i -a

Install only recommended updates

sudo softwareupdate -i -r

Other cool links

• The extremely Handy Mac OSX Command Line Tricks | Snipe.Net
  
• For the hardcore: Art Of Geek » Useful Mac OS X Terminal Commands.
  
• Short but sweet: Hidden Gems Inside Mac OSX Terminal | A BulletProof Idea*
• 25 Terminal Tips Every Mac User Should Know | Mac|Life
  
• Use "defaults" for just about everything: Secrets (from Blacktree)
• 40 Useful Mac OS X Shell Scripts and Terminal Commands covers system administration, networking, clipboard manipulation, web server & HTML,
  
• Pimp your Mac via the command line: Top 50 Terminal Commands | Mac Tricks And Tips - lots of tweaks for the Mac UI, plus some other useful hacks. Also: List All Possible Terminal Commands (press and hold Escape), and the useful Five Quick Terminal Tips.
• A shorter version of some key Pimp My Mac commands: Top 15 Terminal Commands for Hidden Mac OS X Settings | Terminal, Dock/Exposé/Dashboard, iTunes + iPod, Finder, Safari.
• From Lifehacker - Useful Command Line Tricks for Mac Users - includes cool Spotlight tips.
• Terminal commands for improving Spotlight covers Spotlight-specific commands in detail.
  
• An extensive alphabetical list of OS X commands