Linux commands often have long lists of options they support, many of which are single-letter mnemonics. These can be tricky to learn and remember, but their redeeming feature is their reusability: ...

Linux and recursion are on very good speaking terms. In fact, a number of Linux commands recurse without ever being asked, while others have to be coaxed with just the right option. When is recursion ...

In linux man pages, e.g. man ls, it says -R --recursive. I can see how ls can be recursive, by recursive I mean the proper programming concept. ls could say, "A: list all files in the directory then ...