ee255aac27
git-svn-id: svn+ssh://atelier.inf.usi.ch/home/bevilj/group-1@169 a672b425-5310-4d7a-af5c-997e18724b81
25 lines
593 B
HTML
25 lines
593 B
HTML
---
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layout: page
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author: Alessandro Luini
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category-page: advanced
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category-title: Advanced commands
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tags: echo calculator print
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title: echo
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---
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<p>
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In computing, <code>echo</code> is a command in Unix operating systems that outputs the
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strings it is being passed as arguments.<br>
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It is a command typically used to output status text to the screen or a
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computer file, or as a source part of a pipeline.<br>
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To use this simple command just type "echo" with the topic we want to
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print. The computer will return your argument as a string
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<pre>
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echo "hello world"
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hello world
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</pre>
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</p>
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