System Verbs

sys.appIsRunning (id)
sys.bringAppToFront (appName)
sys.countApps ()
sys.frontmostApp ()
sys.getAppPath (appName)
sys.getNthApp (n)
sys.machine ()
sys.memAvail ()
sys.os ()
sys.osName ()
sys.osVersion ()
sys.setFrontApp (appName)
sys.systemTask ()

Mac OS verbs

sys.appIsIACAware (path)
sys.browseNetwork (prompt, appID, addr)
sys.getAppSize (path)
sys.getMinAppSize (path)
sys.setAppSize (path, bytes)
sys.setMinAppSize (path, bytes)