Managing OS X from Command Line

Below are some useful commands for managing OS X from the command line.

softwareupdate	Can be used to apply or check for updates
systemsetup	configuration tool for certain machine settings in System Preferences
screencapture	Screen Capture application
Say	Text to audio program. "say hello"
shutdown	shutdown or reboot workstation from command line

Additional Resources listed below:

http://ss64.com/osx/