This post will awaken the power beneath your fingertips by bestowing upon you the awesomeness that is Terminal.
With just a few terminal commands you can perform tasks on your Mac without a single mouse click and unlock hidden abilities within your operating system.
WARNING: INCORRECT USE OF TERMINAL COMMANDS CAN CAUSE MAJOR PROBLEMS WITH YOUR OPERATING SYSTEM - USE WISELY - DON'T ATTEMPT THESE COMMANDS ON A MISSION-CRITICAL MAC.
Ok... Here are just a few...
say hello world!
Read a txt file aloud (replace FILENAME.txt with the name of the file you want to be read
say -o audio.aiff -f FILENAME.txt
Enable Airdop on older Macs
defaults write com.apple.NetworkBrowser BrowseAllInterfaces -bool TRUE
Show hidden files and folders
defaults write com.apple.finder AppleShowAllFiles -bool TRUE
Install software updates
sudo softwareupdate -l
Display a custom message at login
sudo defaults write /Library/Preferences/com.apple.loginwindow LoginwindowText "Hey, Sticky Hands!"
Download a file without a web browser
curl -0 http://appldnld.apple.com/iTunes11/091-6058.20130605.Cw321/iTunes11.0.4.dmg