Creates a subprocess of the current process. Portions of the
 current process context are copied to the subprocess.

    Format:

    SPAWN [COMMAND-STRING]

       Qualifiers            Defaults

       /[NO]CARRIAGE_CONTROL
       /[NO]CLI
       /INPUT=filespec
       /[NO]KEYPAD           /KEYPAD
       /[NO]LOG              /LOG
       /[NO]LOGICAL_NAMES    /LOGICAL_NAMES
       /[NO]NOTIFY           /NONOTIFY
       /OUTPUT=filespec
       /PROCESS=subprocess_name
       /PROMPT=string
       /[NO]SYMBOLS          /SYMBOLS
       /TABLE=command_table
       /[NO]WAIT             /WAIT