Use the time Unix command before another command to know how long it took

2018-11-30

For example, instead of just:

node .

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)

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