fixing README

README.md

@@ -11,17 +11,11 @@ While this new technique can seem intimidating if you haven't used text-based in
 In this session, we will:
 
 - learn common commands to create files (`touch` and `echo`)
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 - learn commands to create directories (`mkdir`)
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 - navigate our file structure using change directory (`cd`), print working directory (`pwd`), and list (`ls`)
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 - move content from one place to another using redirects (`>`) and pipes (`|`)
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 - explore a comma separated values (.csv) dataset using word and line counts, `head` and `tail`, and the concatenate command `cat`
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 - search text files using the `grep` command
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 - create and sort cheat sheets for the commands we learn
 
 [Get Started >>>](sections/01-what-is-the-command-line.md)