8 Linux Concepts That Are Older Than You Think
You'd be surprised at how old some parts of Linux culture, like dual-booting and open-source software, are. A lot of peculiarities of Linux can be explained by how they originated in Unix.
One example that confuses a lot of people new to the Linux command line is how odd the commands seem. Why are they so short? The reason is that they were originally designed to run on teleprinter machines rather than screens.