**Change the prompt.**

$ SET PROMPT="''F$GETSYI("NODENAME")' $ "

Put this in SYS$MANAGER:LOGIN.COM to have it executed on every login. 

**DISK Tasks**

Initialize drive:

$ INITIALIZE DKA500: SCRATCH /STRUCTURE=5

Mount Drive on startup:

Add to the end of SYS$MANAGER:SYSTARTUP_VMS.COM 

$ MOUNT/SYSTEM DKA500: SCRATCH