Why does a command say “command not found”?
The module may not be installed, an alias target may be unavailable or the extension file may not be loaded.
Check
Run help to see installed commands, help -a to see the repository catalog and help aliases to inspect active aliases.
Install
Install the canonical module name, not the alias. For example install dir enables both dir and ls.
Extension problems
Run install -l and inspect .lil.php permissions. After a successful write, lil-terminal invalidates stat and OPcache so the command appears on the next browser request.
Automatic command continuation
With the Base interface,
Examples
helphelp -awhich lsinstall dir