Until about a year ago, I worked almost exclusively within the macOS and Ubuntu operating systems. On both of those OSes, bash is my default shell. I've acquired a general understanding of how bash works over the past six or seven years and would like to give an overview of some of the more common / useful commands for those just getting started. If you think you know everything there is to know about bash, take a look below anyway -- I've included some tips and reminders of flags you may hav...