:: UML is a virtualization environment for Linux kernel that allows one to run multiple instances of Linux virtual machines on a single physical computer in a secure and safe way.
:: The LDP is a voluntary organization driven by collaborative efforts to author, review and compile publicly avaialble high quality documentation for the Linux operating system.
:: An extensive online resources for Linux systems. Contains tutorials and hands-on guides on application and system development, system administration, desktop configurations and various hardware support.
