Ravi Sir's Cards › AWS
awk fields
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Why do we need it?
Split lines into columns.
What is it?
$1 first, $NF last, -F sets sep.
How to do it
pattern {action} per line.
Example
Users and shells.
awk -F: '{print $1, $NF}' /etc/passwd