Most basic method of combining multiple Unix commands using the semicolon.
(Videos will be posted on video.google.com instead of youtube to prevent them from getting rejected.)
...
https://www.youtube.com/watch?v=ffxzx41Kf6I
Using the for loop download each file associated with the internet addresses contained in the file. The for loop can be used in Unix any time you need to repeat some actions until some condition changes.
...
https://www.youtube.com/watch?v=XI4YNCjQvxg
Use the wget command to grab files off the internet and save them on your local computer. This is a useful command on unix based operating systems when you are on the command line or do not want to use a GUI to download files.
...
https://www.youtube.com/watch?v=ikrdrdRbpHI