Measure the running time of any command
$ time any-command-to-run
For the following command:
$ time ./init_my_project.sh
After the script finished running, you’ll see:
real 1m37.121s user 0m44.342s sys 0m12.518s
realmeans the elapsed real (wall clock) time used by the process, in seconds.
usermeans the total number of CPU-seconds that the process used directly (in user mode), in seconds.
sysmeans the total number of CPU-seconds used by the system on behalf of the process (in kernel mode), in seconds.