### Summary ###

list all available modules currently installed in the host.

### IO ###

```[none]/[text]```

### Description ###

display a list of all modules currently installed in the host. any mods marked with a '1' on the locked column will prevent new sessions from attempting to load it. the presents of a lock can mean 3 things: 

1. the module is queued for deletion. 
2. installation is in process and the module is not yet ready for loading.
3. a session has crashed while attempting to load the module.