Está tudo certo sim. Ionic lab é um outro produto.
Para vc ver os comandos disponíves no Ionic Cli, rode apenas o comando ionic.
Ele vai te trazer uma lista dos comandos que vc pode rodar no ionic Cli.
Seria algo assim:
Available tasks: (use --help or -h for more info)
start .......... Starts a new Ionic project in the specified PATH
serve .......... Start a local development server for app dev/testing
platform ....... Add platform target for building an Ionic app
run ............ Run an Ionic project on a connected device
emulate ........ Emulate an Ionic project on a simulator or emulator
build .......... Locally build an Ionic project for a given platform
plugin ......... Add a Cordova plugin
resources ...... Automatically create icon and splash screen resources (beta)
Put your images in the ./resources directory, named splash or icon.
Accepted file types are .png, .ai, and .psd.
Icons should be 192x192 px without rounded corners.
Splashscreens should be 2208x2208 px, with the image centered in the middle.