SNA NRJE Node Managers Guide (30292-90007)

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to carry out many of the functions
of an IBM 8100 DPPX/RJE
workstation.
F
FMD: See Function
Management Data services.
FMH: See Function
Management Header.
front end processor: A smaller
computer that relieves a larger
host computer of certain
processing tasks, such as error
detection, line control, and
message handling.
Function Management Data
(FMD) services: A generic term
that describes two SNA layers:
Session Presentation and Session
Network Services.
Function Management
Header (FMH): An SNA header
that selects a destination or
source for subsequent data
transmission and supplies
information for other data
management tasks.
H
host: A central computer that
provides services for other
computers and terminals
attached to it.
I
INIT-SELF: An SNA request to
the SSCP to initiate an LU-LU
session.
intrinsic: A subprogram
provided by Hewlett-Packard
systems. Intrinsics perform
common functions such as
opening files, opening
communications lines, or
transmitting data over a
communications line.
J
JECL: See Job Entry Control
Language.
JES: See Job Entry
Subsystem.
JES2: See Job Entry
Subsystem 2.
JES3: See Job Entry
Subsystem 3.0.
job: The basic unit of batch work
on an IBM system. A job consists
of a series of job control language
statements. In addition to these
statements, a job can include
programs and input data.
Job Entry Control Language
(JECL): JECL statements are
used for job control under the
VSE/POWER subsystem. These
statements define a job to
VSE/POWER and specify how job
input and output are to be
processed.
Job Entry Subsystem (JES): A
set of programs and routines that
generally schedules spools and
batch jobs. It also handles input
and output.