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One of the challenges of dealing with large data files, whether compressed or not, is finding your way around the data – finding and looking at relevant pieces of it. Except for the smallest of files, you can't open them up in a text editor because those programs read the whole file into memory, so will choke on sequencing data files! Instead we use various techniques to look at pieces of the files at a time. (Read more about commands for Displaying file contents)
The first technique is the use of pagers – we've already seen this with the more command. Review its use now on our small uncompressed file:
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