Documentation with an aim towards understanding the theory behind the concept. From Power Up To Bash Prompt.

Assemble your own Linux system. Includes all software and an easy to follow guide.

The last a.out Linux distribution: uses a.out executables.

How to build mini Debian or Slackware installation. instructions, downloads, links to compilers and related software tools.

Design and build a small, diskette-based GNU/Linux system from source code with a focus on good design techniques, adherence to standards and the capability for future expansion.

Networked Linux distribution and bootable system that fits on 12MB of media, so small that an image can be put on a business-card sized/shaped CD-ROM, suitable for wallet or purse.

Setting up a secure server using RedHat Linux and LinuxFromScratch.