[j-nsp] purpose of "commit check"?

[Emmanuel Halbwachs]

Phil Shafer (Wed 2015-09-30 21:14:53 -0400) :
> >o/t but is there any difference between "show | compare" and "show | diff" ?
> 
> Nope, it's just an alias, similar to "grep" for "match".

Wow, great!
How can one list those standard aliases?

Thanks,

-- 
Emmanuel