_posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated.
Jekyll requires blog post files to be named according to the following format:
YEAR-MONTH-DAY-title.md
Where YEAR is a four-digit number, MONTH and DAY are both two-digit numbers, and title is the title of your post. The file must end in .md and contain front matter.
This is just a sample post to show that the Jekyll RSS feed and blog post listing are working correctly!
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