Chapter 4 301
Command Definition F-K
JOB
rather than the originating diskfile (in the case of the STREAM command) or device (in the
case of the input spooled device). If the standard listing file is a line printer, MPE/iX prints
a header page prior to listing the JOB command. (The system operator can disable the
printing of this header page with the HEADOFF console command.)
The job number assigned by MPE/iX always uniquely identifies your job to MPE/iX and
other users. MPE/iX assigns such numbers in sequential order as jobs are accepted.
Sometimes, the job acceptance information includes a message from the system operator
following the standard display. When present, this is the same message output in the logon
information for sessions.
The minimum information needed for job initiation is the user and account name.
However, the following also may be required:
• Logon group name.
• User, account, and/or group passwords.
The cases in which this information is required, and the rules for supplying it, are the
same as those for the HELLO command for sessions, except that:
• When you enter the JOB command through a device other than a terminal, and the
standard input device is different from the standard listing device, MPE/iX does not
echo passwords.
• When the standard listing device is a line printer and you do not specify a file group
name, central processor time limit, execution priority, and/or input priority in the JOB
command, the default values assigned by MPE/iX for the omitted parameters appear on
the job listing.
The STREAM command prompts for any necessary passwords that are not supplied in the
command syntax if:
• The STREAM command is invoked from a session.
• Neither $STDIN nor $STDLIST is redirected.
• The JOB command is a first level JOB command (it is not nested within a second level
STREAM command).
All UDCs are available from a job. Any subsystem or UDC that expects input from $STDIN
requires that input within your job stream file.
Use
This command may be issued only from a job file. It may not be used from a session,
program, or in BREAK. Pressing
Break has no effect on this command.
Example
The following example illustrates creating and using an ASCII file to define a batch job
and then executing it with the STREAM command:
