time Unix command before another command to know how long it took
For example, instead of just:
You can do:
time node .
to get some basic extra execution time numbers without the need of extra performance calculations from your app’s side.
On Mac OS, the output looks like this:
real 0m1.562s user 0m1.544s sys 0m0.167s
But it can vary among operative systems. More information for example on Wikipedia: https://en.wikipedia.org/wiki/Time_(Unix)