IBM OS/390 Manual De Usuario
4.3.12 Comparison of VSE and MVS JCL - A Summary
Below is a summary of VSE JCL statements and possible equivalents in MVS.
Table 7 (Page 1 of 2). VSE Job Control Statements S u m m a r y
VSE
Statement
Statement
Function
MVS Equivalent
ASSGN
Used at execution time to assign a
specific device address to the
symbolic unit name used.
specific device address to the
symbolic unit name used.
/ / D D U N I T =
CLOSE
Closes either a system or a
programmer logical unit assigned to
tape, disk, or diskette.
programmer logical unit assigned to
tape, disk, or diskette.
No equivalent in OS/390.
Units closed automatically
at end-of-step, or by the
application program.
Units closed automatically
at end-of-step, or by the
application program.
DATE
Contains a date that is put in the
communications region.
communications region.
No equivalent in OS/390.
DLBL
Contains file label information for
disk or diskette label checking and
creation.
disk or diskette label checking and
creation.
/ / D D D S N a m e =
EXEC
Indicates the end of job control
statements for a job step and that
the job step is to be executed.
statements for a job step and that
the job step is to be executed.
/ / EXEC PGM= (Must
precede DD statements for
the step.)
precede DD statements for
the step.)
EXEC PROC
Calls a cataloged procedure and
defines values for symbolic
parameters.
defines values for symbolic
parameters.
/ / EXEC PROC= (
″
P R O C =
″
is optional)
EXTENT
Defines each area, or extent, of a
disk file or diskette volume.
disk file or diskette volume.
/ / D D V O L U M E = S P A C E =
D A T A C L A S =
D A T A C L A S =
GOTO
Causes JCL to skip all following
statements (except JOB, /&, /+) up
to the specified label statement.
statements (except JOB, /&, /+) up
to the specified label statement.
No direct equivalent in
OS/390. Use CONDitional
step processing or
IF/THEN/ELSE/ENDIF
OS/390. Use CONDitional
step processing or
IF/THEN/ELSE/ENDIF
ID
Used to specify user identification
and password.
and password.
/ / JOB U S E R =
P A S S W O R D =
P A S S W O R D =
IF
Causes skipping or execution of the
following statement dependent on
the specified condition.
following statement dependent on
the specified condition.
/ / IF
JCLEXIT
Activates or deactivates one or
more JCL exit routines.
more JCL exit routines.
Not applicable in OS/390.
JOB
Indicates the beginning of control
information for a job.
information for a job.
/ / JOB
LIBDEF
Defines library chains.
/ / STEPLIB DD,
// STEPCAT DD, or
// JCLLIB
// STEPCAT DD, or
// JCLLIB
LIBDROP
Drops library chain definitions.
No equivalent in OS/390.
LIBLIST
Lists library chain definitions.
No equivalent in OS/390
LIBSERV
Controls 3494 tape system.
No equivalent in OS/390
LISTIO
Used to get a listing of I/O
assignments on SYSLOG or SYSLST.
assignments on SYSLOG or SYSLST.
No equivalent in OS/390
MTC
Controls operations on magnetic
tapes.
tapes.
// DD LABEL
86
VSE to OS/390 Migration Workbook