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Continue to ChatQuery : Well, you've left out the really obviously useful grep. If you don't know grep, you're really crippled. You'll also need to understand how pipes work, and how redirects work. Also, you should https://vmapp.org/query/77701/Well-You-Ve-Left-Out-The-Really-Obviously-Useful-Grep-If-You-Don-T-Know-Grep-You-Re-Really-Crippled-You-Ll-Also-Need-To-Understand-How-Pipes-Work-And-How-Redirects-Work-Also-You-Should/