The tip for the day will be, “How to save yourself at least one keystroke, several times a day.”
But first … a test. Which one of these is
vdir and which one is
It’s a trick question, I admit it.
vdir by default looks like, smells like, tastes like plain old long-form
ls. And unless you’ve got color settings or special aliases piping particular flags back into
ls, they’re obvious twins.
In fact, their flags are dead ringers. They both arrived in your system on board coreutils. Their man pages are so close as to be copied-and-pasted. The similarity is uncanny.
So what’s the point? Why bother bringing
vdir into the picture, if it’s just an
Beause “v-d-i-r” is exactly one character shorter than “l-s-space-dash-l”.
And given that a 70kg person burns a whopping 50 calories typing for a half an hour … and the commonly accepted words-per-minute calculation is standardized to five-letter words … and a 40 wpm typist covers 1200 words in 30 minutes, pounding out 6000 keystrokes in that amount of time. …
I do believe, if my calculations are correct, each keystroke burns 0.0083 calories. Aha! I just saved you 0.0083 calories, which you can spend walking to the refrigerator, if you like. 🌯
Oh wait, were you trying to lose weight … ?