How To Use cat Command In Linux / UNIX

nixCraft Articles
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Originally published at: https://www.cyberciti.biz/faq/howto-use-cat-command-in-unix-linux-shell-script/

How do I use cat command in Linux? How do I use cat command in UNIX? How can I use cat command in UNIX or Linux shell scripts?

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cat xxx.txt

cat xxx.txt | awk ‘{ print $3, $1; }’