56 Rocket Model 204 Terminal User’s Guide
Invoking and disconnecting from the TSO interface
The TSO interface establishes a connection to Model 204, locks the terminal to
the command processor or called program, and replies:
CONNECTED TO MODEL 204
When the terminal is prepared to accept input, it issues a prompting character
and/or unlocks the keyboard (see “Input lines” on page 58). The user can now
enter any desired system control commands. If the interface responds with any
other message, control returns automatically to TSO. See the Model 204
Messages Manual for a detailed description of TSO: messages.
The user can now log in to Model 204. In general, Model 204 regards LOGIN
and LOGON as equivalent commands.
CLIST input
Input can be passed to the TSO line-at-a-time or full-screen User Language
interface from a CLIST that has been defined by the system manager. Input can
also be passed from a TSO file (in full-screen mode only). This alternate means
of input to Model 204 is valid only when the interface is executed as a TSO
command processor.
The use of a CLIST or file allows a series of commands to be defined and
executed. If the user invokes a CLIST, Model 204 executes all of the
commands in the CLIST and then allows additional lines to be entered from the
terminal.
To invoke a CLIST or TSO file, use the following command:
Syntax {M204FS | M204TTY} [’[subsystem:]channel_name’]
[FILE(ddname) | CLIST] [DEBUG]
where:
subsystem Specification is optional and available only for z/OS with XDM.
The default is the IGCLM244 value.
channel name Specification is optional, necessary only if the channel name is
not the default name. The full-screen default channel name is
M204FULL; the line-at-a-time default name is M204PROD.
The supervisor can tell the user whether the channel name is
to be included in the CALL.
CLIST Specifies that user input is obtained from the current CLIST.
FILE Specifies that user inputs obtained from a file containing 80-
byte records. If a ddname is not specified, then ‘COMMAND’
is assumed. This file must be allocated to the TSO user
region before executing the command.
Note: The FILE option can be used only if the user’s terminal is
set to full-screen mode (IODEV = 11). It cannot be used in
line-at-a-time mode (IODEV = 29).
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