Getting Comfortable With The Basics

What Is a PDF File

What Is a PDF File (and How Do I Open One)? by howtogeek.com

A file with the .pdf file extension is a Portable Document Format (PDF) file. PDFs are typically used to distribute read-only documents that preserve the layout of a page. They’re commonly used for documents like user manuals, eBooks, application forms, and scanned documents, to name just a few.

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