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→INVESTIGATION 1: USING THE SED UTILITY
# Issue the following linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">sed -n 'p' data.txt</span><br><br>What do you notice?<br><br>You can specify an address (line #, line #s or range of line #s) when using the sed utility.<br><br>
# Issue the following linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">sed -n '1 p' data.txt</span><br><br>You should see the first line of the text file displayed.<br><br>
# Issue the following linux command:<br><span style="color:blue;font-weight:bold;font-family:courier;">sed -n '2,5 p' data.txt</span><br><br>What do you think is displayed? (compare with contents in the data.txt text fileto confirm).<br><br>
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