This page give the list of links to category of commands of CLI.
It's important to note that the Debian wiki doesn't override the "classic" documentation (man, info, README, README.Debian,…). For more information about how to use the documentation installed with Debian, you can see Debian Documentation.
File Manager Commands
This category lists commands that helps with managing files (build directory, display file, build file,…).
See File Manager Commands.
This category lists commands that help to administer Debian (package management, configuring the system).
See ?Administration Commands.
This category lists commands that are useful when you want to build a script.
See ?Scripting Commands.