8 life hacks using terminal.app in OS X

Terminal is a way of getting to the Unix underpinnings of Apple’s Mac OS X operating system. It is generally kept out of the way because an uneducated user could do a lot of damage. I have put together eight of my favourite life hacks using Terminal here. Your mileage will vary. Over time Apple has stopped supporting some commands and introduced others grep used to come in handy for finding and removing duplicate files.  A new command called ditto makes it really easy to make copies of folders.
Check the weather
Ping a website
Find the address of every device on your network
Get details about a domain name
Change the screenshot format
Show hidden files in Finder
Show path view in Finder
Strip out unnecessary system animations
I have put together each of these as a presentation as well