$ ada -h
                   IBM* AIX Ada/6000 Compiler (Release 3.0)
-------------------------------------------------------------------------------
  Licensed Materials - Property of IBM
  5706-29101
    (C) Copyright IBM Corp. 1990, 1991,
    (C) Copyright Telesoft AB. 1989, 1991
  All Rights Reserved, US Government Users Restricted Rights - Use, duplication
  or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
  * Trademark of International Business Machines
-------------------------------------------------------------------------------
                    Compile or bind Ada programs
 usage: ada [ Option  | FileName ] ...
 where:
   -a         : produce assembler code.
   -b UnitName: bind and link.
   -d         : keep debug information in the Ada sublibrary.
   -e         : do not produce an executable file.
   -G         : do partial optimization.
   -h         : display information about the ada command
   -i FileName: include archive or object file FileName when binding
   -I         : read a list of files to compile from standard input
   -l         : generate compilation listing.
   -L Library : use this library list file.
   -m         : compile and bind the last unit as the main program.
   -o FileName: specify the name of the executable.
   -O         : produce fully optimized code.
   -p         : turn on execution profiling option.
   -Q         : consistently detect single precision floating point overflow
   -q Parameter=Value : special parameters:
                 comment=file_name
                 time_slice=Milliseconds
                 task_stack=Bytes
                 heap_limit=Bytes
                 stack_limit=Bytes
                 show_task_exceptions=yes|no
                 static=yes|no
   -S         : suppress run-time checks for Ada exceptions
   -u         : unlock the working sublibrary.
   -v         : verbose - display informative messages.
   -V Pages   : specify the number of 1K memory pages to be used.