"This screencast is for you if you’ve never used the Unix command line, or are learning it for the first time.
Navigating a text-based terminal can be intimidating at first, but experienced developer and systems administrator Dan Benjamin introduces it smoothly one concept at a time whether you’re currently using Windows, Mac OS X, or Linux.
In this 70 minute screencast you’ll learn about the basic assumptions of Unix, how to look for help, and how to confidently work with files, directories, and programs. Also included is a bonus 60 page PDF reference guide!"
"The Wiley Nautical Almanac
Trusted. Accurate. Free.
The Wiley Nautical Almanac is a free, comprehensive directory of harbour, tidal and weather data for cruising sailors.
Download the Wiley Nautical Almanac for quick and easy access, at home or on board, to essential cruising navigation, meteorological and key contact information – even without an internet connection.
You can download the Wiley Nautical Almanac today from this web page. Simply click on the 'install now' button below and follow the instructions on your screen. "