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@ -2704,7 +2704,7 @@ You can go to the beginning and the end of a file instantly.</p>
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shell. This command is equivalent to what we have <print> in other
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programming languages.</p>
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<p>The echo command prints the given input string on the screen.</p>
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<p><img alt="" src="../images/linux/commands/image24.png" /></p>
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<p><img alt="" src="../images/linux/commands/image34.png" /></p>
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<h2 id="text-processing-commands">Text Processing Commands</h2>
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<p>In the previous section, we learned how to view the content of a file.
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In many cases, we will be interested in performing the below operations:</p>
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@ -2748,7 +2748,7 @@ an input to the grep command.</p>
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</code></pre>
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<p>In this example, we are trying to search for a string "1" in this file.
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The grep command outputs the lines where it found this string.</p>
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<p><img alt="" src="../images/linux/commands/image5.png" /></p>
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<p><img alt="" src="../images/linux/commands/image36.png" /></p>
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<h3 id="sed">sed</h3>
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<p>The sed command in its simplest form can be used to replace a text in a
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file.</p>
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