The Bourne Again Shell (also known as BASH) is one of the most useful tools in computing. Though command line interfaces may appear scary at first, they become vital to get things done. However bash does have some flaws. Advanced commands can quickly become terse and unreadable. If a task requires specific parameters, it can be quite tiresome to remember five necessary flags (Looking at you, Grep!)
I just updated one of my servers and one of my laptops to Ubuntu 16.04. I have had nothing but positive experiences in both the desktop server editions, less one hiccup with my ssh keys.
Excel is a great tool for organizing data, but data entry is boring. I had never really thought much more about those particular facts until a client came to me looking to aggregate quite a bit of stock data into Excel. He has been using Excel for years, manually entering the information he needs.