Peter Reutemann delivered a presentation on Command-line tools under Linux. They are the bread and butter of sysadmins, but any user can benefit from a wide variety of hidden gems. Peter explored essential command-line tools that one should be aware of.
Ian Stewart presented his Python GUI programs that provide help for bash commands. The programs have an alphabetical tree view to aid selection of a bash command for which help is desired. Also a variation of the program contains a search window facility.