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IBM System/360 20 User Manual

IBM System/360 20
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This
publication
provides
Model
20
o'pera-
tors
with
the
information
required
to
(1)
build
a
tape-resident
system
from
IBM-
supplied
programs,
(~
maintain
this
system
by
means
of
IBM-supplied
programs
,(3)
execute
IBM-supplied
and
user-written
pro-
grams
under
control
of
the
tape-resident
system,
and
(~
execute
object
programs
under
control
of
the
card-resident
system.
A
tape-resident
system
is
used
to
con-
trol
the
compilation,
assembly,
and
execu-
tion
of
the
user's
problem
programs
and
the
execution
of
IBM-supplied
programs.
The
principal
features
and
advantages
of
a
tape-resident
system
are:
the
program
library
facility,
the
macro
library
facili-
ty,
batch
job
processing,
selective
phase
loading,
and
automatic
job-to-job
transition.
The
card-resident
system
provides
for
stacked-job
processing
with
automatic
job-
to-job
transition.
It
is
used
to
control
the
building
of
a
tape-resident
system
and
the
execution
of
object
programs
contained
in
punched
cards.
The
card-resident
system
offers
th0
advantage
that
all
tape
drives
available
can
be
used
by
the
object
program.
TERMS
AND
ABBREVIATIONS
The
meaning
of
the
terms
and
abbrev
lations
used
in
this
publication
is
defined
in
~£en~ix-~_§1022~fY.
PREREQUISITES
Readers
of
this
publication
should
be
fami-
liar
with
the
functions
and
the
operation
of
all
components
of
their
System/360
Model
20.
The
publications
describing
these
com-
ponents
are
listed
in
the
Systems
Reference
Library
publication
1~~_gy~tem/360_Model
lQ~iQl~ogr~E&Y,
Form
A26-3565.
SUMMARY
OF
IBM-SUPPLIED
PROGRAMS
The
programmi
ng
suppo
rt
which
IBM
supplies
to
users
of
tape-resident
systems
comprises
•
the
Basic
Assembler
(tape
versions)
•
the
Control
programs
of
the
card-
resident
system
•
the
Control
programs
of
the
tape-
resident
system
•
the
Service
programs
for
the
tape-
resident
system
•
the
TPS
Report
Program
Generator
•
the
TPS
Assembler
program
•
the
TPS
Sort/Merge
program
•
the
TPS
Utility
programs
•
Input/Output
and
Basic
Monitor
macro
definitions.
A
number
of
IBM-supplied
programs
are
executed
under
control
of
the
card-resident
system,
others
under
control
of
the
tape-
resident
system,
and
some
can
be
executed
under
control
of
either
system.
Those
pro-
grams
that
are
executed
under
control
of
the
tape-resident
system
must
be
stored,
together
with
the
Basic
Monitor
program
and
the
Job
Control
program
of
the
tape-
resident
system,
on
a
tape
referred
to
as
the
system
tape.
The
tape
Basic
MQnitor
is
the
first
program
on
the
system
tape.
It
is
followed
by a
program
library,
which
contains
the
tape
Job
Control
program
and
all
other
programs
to
be
executed
under
control
of
the
tape-resident
system,
and
by
an
(optional)
macro
library,
which
contains
the
macro
definitions.
A
brief
description
of
the
functions
of
each
IBM-supplied
program
is
given
below.
The
tape
versions
of
the
Basic
Assembler
are
stand-alone
programs
used
to
assemble
source
programs
written
in
the
Basic
Assembler
language.
The
operating
proce-
dures
for
these
programs
are
described
in
the
SRL
publication
IBM~~ste~Ll&Q_nQg~l
~~_f~g_i£Qg£~NN~ng_SuEEor1L
Basic
!2~~~~1§~Jl~Eg_1g£2ions)~pera!i~~Q£g=
gy£g§,
Form
C24-9011.
The
Control
programs
of
the
card
and
tape-
resident
systems
are:
•
The
Initial
Program
Loader
(IPL)
• The
Basic
Monitor
program
•
The
Job
Control
program.
The
card-resident
IPL,
Basic
Monitor
and
Job
Control
programs
are
grouped
together
for
distribution,
the
three
being
known
Introduction
5

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IBM System/360 20 Specifications

General IconGeneral
BrandIBM
ModelSystem/360 20
CategoryStorage
LanguageEnglish

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