Here you find things that might not be considered 'LinuxBasics', but are nice and fun to know about.
The LBo-Server for Small Businesses - Touches most other categories on the site. This should be the glue between topics, which should enable you to build a network for your business.
Various - Things that do not fit into any other category
Networking - Two computers and a cable that connects them are a LAN. With Linux, it does not even need the second computer or the cable :)
Virtual Computing - Two or more computers inside one. This is perfect for trying things out. Closely related to the Networking section and not for the faint of heart! (Keywords: VMware, QEMU, User-Mode-Linux)
Welcome to the real world- Quick walk through some command-line goodies
Security - Securing your computer or your data
LBo - What we learned from this project
A list of the most dangerous commands - With great power, comes great responsibility.
Data Recovery - Recover lost files or lost partitions with PhotoRec and TestDisk