ty line driver tasks or in the form.of a console input line resulting
from a console read
links) are executed by
involves referencing and modification of system status tables
If the command is not one that
the command line is examined for syntax errors and then passed to the
appropriate task for execution. To do this,
formatted table called a command element to be passed to another active
task for execution via an ALERT asynchronous exit.
The commands CHANGE,
the specified link.
an internal routing code and an internal severity code.
Messages may be addressed to the local
station oFerator, or to any combination of these destinations, by means
of the routing code. The severity code is defined for each message, and
is an indication of the importance of the message.
line drivers for the associated links
element interface. This method of message handling simplifies
terminated, then searches for active
is maintained during the termination of the
instruction) does not take effect immediately.
check diagnostic information is dumped, a message to the operator is
issued, and the
of the program check.