Markdown in Hugo is a fun, fast way to get your content from draft to publication. Markdown has its limits though and sometimes, what you really need is a bit of HTML to add those finishing touches.
grep is a Linux command line tool used for text-searching in files. It is a versatile tool, capable of searching through single and multiple files as well as recursively through directories.
I use Linux as my main desktop OS and on my laptop. The reason I use Linux is because it offers me freedom, privacy and transparency over and above what any other operating system does. And, of course, the best part is that it is 100% free!