Mini-CD Linux distributions are used for many different purposes. Some distributions are used to boot to a read-only firewall configuration; others are used to provide as complete a rescue environment as possible; whereas others are used to either install or help jumpstart an install of a full distribution. Mini-CDs are available in a wide variety of sizes, such as 3" CD-Rs (or CD-RW) with sizes ranging from 185MB to 210MB. You can also download an .iso image and create a Linux bootable business card, typically fitting on a 40MB or 50MB credit-cardsize CD-R. (Consider using a miniCD-RW, especially if you want to upgrade your distribution often.) Here are some links to these distributions:
• http://www.lnx-bbc.org Home page for the Linux BBC, a 40MB image hosting a rather complete live Linux session with X, a web browser, and a host of networking tools.
• http://crux.nu/ Home page of the CRUX i686optimized Linux distribution.
• http://www.trustix.net/ Home page for the free version of the Trustix Secure Linux distribution, which currently uses the latest 2.6 kernel. Trustix is RPM based.
• http://www.smoothwall.org/community/home/ The 22MB SmoothWall distribution, which easily fits on a bootable business card and is used to install a web-administered firewall, router, or gateway with SSH, HTTP, and other services.
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