--- /dev/null
+npm-prune(3) -- Remove extraneous packages
+==========================================
+
+## SYNOPSIS
+
+ npm.commands.prune([packages,] callback)
+
+## DESCRIPTION
+
+This command removes "extraneous" packages.
+
+The first parameter is optional, and it specifies packages to be removed.
+
+No packages are specified, then all packages will be checked.
+
+Extraneous packages are packages that are not listed on the parent
+package's dependencies list.