This section describes publicly accessible
ONC utilities in alphabetical order.
Upon termination, each command returns two bytes of status
data: one supplied by the system giving the cause for
termination and (in the case of ``normal'' termination) one
supplied by the program (see
The former byte is 0 for normal termination. The latter is
customarily 0 for successful execution; a nonzero value
indicates troubles such as erroneous parameters, bad or
inaccessible data, or some other inability to cope with the
task at hand. This datum is called variously ``exit
code,'' ``exit status,'' or ``return code;''
it is described only where special conventions are