<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>SDL4B — Notes</title><description>Things I&apos;ve learned along the way.</description><link>https://sdl4b.com/</link><item><title>Operating System</title><link>https://sdl4b.com/notes/os/</link><guid isPermaLink="true">https://sdl4b.com/notes/os/</guid><pubDate>Mon, 05 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Computer Fundamentals</title><link>https://sdl4b.com/notes/computer-fundamentals/</link><guid isPermaLink="true">https://sdl4b.com/notes/computer-fundamentals/</guid><pubDate>Sun, 04 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Information Security</title><link>https://sdl4b.com/notes/infosec/</link><guid isPermaLink="true">https://sdl4b.com/notes/infosec/</guid><pubDate>Sun, 04 Oct 2026 00:00:00 GMT</pubDate></item><item><title>OSINT</title><link>https://sdl4b.com/notes/osint/</link><guid isPermaLink="true">https://sdl4b.com/notes/osint/</guid><description>Catatan belajar OSINT — mindset, sumber informasi, metodologi, validasi data, dan OPSEC dasar.</description><pubDate>Tue, 29 Sep 2026 00:00:00 GMT</pubDate></item></channel></rss>