Creating columns bash


create 1 column
seq 10

create 2 columns
printf %s\\n ID-{1..3}' '{10..25..5}

create 3 or more columns
seq 12 | pr -3t | column -t

Monitoring response time with curl

   curl -s -o /dev/null -w "Conecction: %{time_connect}s | Start transfer: %{time_starttransfer}s | Total time: %{time_total}s\n" ...

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