Server and Device Information

  TngUtility.py --list
    list all servers, including state, Starter host and start/stop time.

  TngUtility.py --list dgg mca
    list selected servers

  TngUtility.py --list dgg mca --class
    list selected servers, display also class.

  TngUtility.py --list dgg2 mca --dev
    list selected servers, including their devices  

  TngUtility.py --list dgg2 mca --dev 01
    list selected servers, including devices with names  
    containing '01'.

  TngUtility --list  --dev --alias exp_mot01
    display only the device which has the alias exp_mot01

  TngUtility.py --list dgg2 --attr
    list selected servers, including device attributes

  TngUtility.py --list --attr black_box --dev petra/globals/keyword
    list the last 40 black_box entries

  TngUtility.py --list dgg2 --attr sampletime
    list selected servers, including device attributes 
    containing 'sampletime'.

  TngUtility.py --list dgg2 mca --prop
    list selected servers, including properties

  TngUtility.py --list dgg2 mca --prop base
    list selected servers, including properties containing 
    'base' in the name.

  TngUtility.py --dump
    creates a new version of /online_dir/TangoDump.lis