1. OS/400 Command Structure and Control Language
Chapter 3
OS/400 Command Structure and Control Language

2. Understanding AS/400 System Operations
CL Command Name
CRTLIB
Noun (object of the action) “Library”
Verb (action) “Create”
Understanding AS/400 System Operations

3. Understanding AS/400 System Operations
Verbs or Action
Verb/Action
Cl Abbreviation
Add
ADD
Release
RLS
Change
CHG
Remove
RMV
Clear
CLR
Restore
RST
Create
CRT
Retrieve
RTV
Copy
CPY
Save
SAV
Delete
DLT
Send
SND
Display
DSP
Submit
SBM
Hold
HLD
Work with
WRK
Verbs and Action works generally consist of:
Three letters
Most significant non-repeating consonants
Understanding AS/400 System Operations

4. Understanding AS/400 System Operations
Nouns
Noun
CL Abbreviation
Configuration
CFG
Member
MBR
Command
CMD
Message
MSG
Description D
Object
OBJ
Entry E
Queue Q
File F
Source
SRC
Job
JOB
Spool
SPL
Library
LIB
Subsystem
SBS
List L
System
SYS
Nouns generally are:
1-4 characters
Understanding AS/400 System Operations

5. Verbs, Nouns and Adjectives
CL Abbr.
Meaning
ACT
Active
CUR
Current
BRK
Break
PRF
Profile
EDT
Edit
STR
Start
PRT
Printer
WRK
Work
Understanding AS/400 System Operations

6. Understanding AS/400 System Operations
Practice Verbs
Verb
CL Abbr.
Create
Remove
Work
Copy
Display
Save
Change
Restore
Delete
Command
Retrieve
Move
Create CRT
Work WRK
Display DSP
Change CHG
Delete DLT
Retrieve RTV
Remove RMV
Copy CPY
Save SAV
Restore RST
Command CMD
Move MOV
Understanding AS/400 System Operations

7. Practice Nouns and Adjectives
Word
Abbr.
File
User
Object
Profile
Library
Queue
Physical
Message
Description
System
File F
Object OBJ
Library LIB
Physical P
Description D
User USR
Profile PRF
Queue Q
Message MSG
System SYS
Understanding AS/400 System Operations

8. Command With Adjective
CHGCURLIB
Noun (object of the action) “Library”
Adjective (qualifier) “Current”
Verb (action)”Change”
Understanding AS/400 System Operations

9. Understanding AS/400 System Operations
Common CL Commands
Command
Meaning
CRTLIB
Create Library
CPYF
Copy File
WRKSPLF
Work with Spool Files
CRTSRCPF
Create Source Physical File
Understanding AS/400 System Operations

10. Understanding AS/400 System Operations
Practice Commands
Command
Meaning
WRKACTJOB
DSPJOBD
DLTPF
CHGMSGQ
WRKACTJOB Work with Active Jobs
DSPJOBD Display Job Description
DLTPF Delete Physical File
CHGMSGQ Change Message Queue
Understanding AS/400 System Operations

11. Understanding AS/400 System Operations
Practice
Abbr.
Meaning
ADD
CHG
DSP
DLT
SND
WRK
SAV
RST
SRC M
ADD Add
DSP Display
SND Send
SAV Save
SRC Source
CHG Change
DLT Delete
WRK Work
RST Restore
M Member
Understanding AS/400 System Operations

12. Understanding AS/400 System Operations
Practice
Abbr.
Meaning
CRT
RTV
HLD
RMV
RLS
SBM
CPY
STR
CRT Create
HLD Hold
RLS Release
CPY Copy
RTV Retrieve
RMV Remove
SBM Submit
STR Start
Understanding AS/400 System Operations

13. Understanding AS/400 System Operations
Practice Commands
Command
Meaning
CRTLIB
CPYF
CRTSRCPF
CRTDUPOBJ
CRTPF
RNMOBJ
CRTLF
ADDLFM
DSPPFM
ADDPFM
CRTLIB Create library
CRTSRCPF Create Source Physical File
CRTPF Create Physical File
CRTLF Create Logical File
DSPPFM Display Physical File Member
CPYF Copy File
CRTDUPOBJ Create Duplicate Object
RNMOBJ Rename Object
ADDLFM Add Logical File Member
ADDPFM Add Physical File Member
Understanding AS/400 System Operations

14. Understanding AS/400 System Operations
Practice Commands
Command
Meaning
ADDLIBLE
STRSDA
DSPLIBL
WRKSPLF
STRPDM
WRKOUTQ
STRSEU
WRKJOBQ
STRWTR
WRKACTJOB
ADDLIBLE Add Library List Entry
DSPLIBL Display Library List
STRPDM Start PDM (Program Development Management)
STRSEU Start SEU (Source Entry Utility)
STRWTR Start Writer
STRSDA Start SDA (Screen Design Aid)
WRKSPLF Work Spool File
WRKOUTQ Work Output Queue
WRKJOBQ Work Job Queue
WRKACTJOB Work Active Job
Understanding AS/400 System Operations

15. Understanding AS/400 System Operations
Practice Commands
Command
Meaning
HLDWTR
DSPMSG
RLSWTR
HLDJOB
ENDWTR
RLSJOB
SNDMSG
HLDOUTQ
SNDBRKMSG
RLSOUTQ
HLDWTR Hold Writer
RLSWTR Release Writer
ENDWTR End Writer
SNDMSG Send Message
SNDBRKMSG Send Break Message
DSPMSG Display Message
HLDJOB Hold Job
RLSJOB Release Job
HLDOUTQ Hold Output Queue
RLSOUTQ Release Output Queue
Understanding AS/400 System Operations

16. Understanding AS/400 System Operations
Practice Commands
Command
Meaning
PWRDWNSYS
CHGJOB
WRKUSRJOB
CHGCURLIB
DSPUSRPRF
CHGLIB
DSPSYSVAL
WRKLIB
MOVOBJ
WRKJOBD
PWRDWNSYS Power Down System
WRKUSRJOB Work User Job
DSPUSRPRF Display User Profile
DSPSYSVAL Display System Value
MOVOBJ Move Object
CHGJOB Change Job
CHGCURLIB Change Current Library
CHGLIB Change Library
WRKLIB Work Library
WRKJOBD Work Job Description
Understanding AS/400 System Operations

17. Command Prompt - Values
Create Library (CRTLIB)
Type choices, press Enter.
Library __________ Name
Library type *PROD *PROD, *TEST
Text 'description' *BLANK_____________________________
________________
Bottom
F3=Exit F4=Prompt F5=Refresh F10=Additional parameters F12=Cancel
F13=How to use this display F24=More keys
Use F4 to prompt on a command.
Note the permissible values for fields
Show Default values
Define Special Values
Understanding AS/400 System Operations

18. Command Prompt - Keywords
Create Library (CRTLIB)
Type choices, press Enter.
Library LIB __________
Library type TYPE *PROD     
Text 'description' TEXT *BLANK                    
__________________________________________________________________________
Bottom
F3=Exit F4=Prompt F5=Refresh F10=Additional parameters F12=Cancel
F13=How to use this display F24=More keys
Understanding AS/400 System Operations

19. Understanding AS/400 System Operations
Field Prompting
Specify Value for Parameter TYPE
Type choice, press Enter.
Library type *PROD     
*PROD
*TEST
F3=Exit F5=Refresh F12=Cancel F13=How to use this display F24=More keys
Understanding AS/400 System Operations

20. Contextual Help - Field
Create Library (CRTLIB)
Type choices, press Enter.
Library LIB ____________
Library type TYPE *PROD       
Text 'descrip
: Library type (TYPE) - Help :
: :
: Specifies the type of library being created :
: *PROD :
: This is a production library. Database files in :
: production libraries cannot be opened for updating if :
: a user is in debug mode and he requested that :
: production libraries be protected. A user can protect :
: all database files in production libraries by :
: specifying UPDPROD(*NO) on the Start Debug (STRDBG) :
: command to begin testing. However, this protection :
: More... :
: F2=Extended help F10=Move to top F11=InfoSeeker :
F3=Exit F4= : F12=Cancel F20=Enlarge F24=More keys :
F13=How to us : :
: :
Understanding AS/400 System Operations

21. Additional Parameters
Create Library (CRTLIB)
Type choices, press Enter.
Library LIB ___________
Library type TYPE *PROD      
Text 'description' TEXT *BLANK_________________________
_______________________________________________________________________________
Additional Parameters
Authority AUT *LIBCRTAUT
Auxiliary storage pool ID ASP   
Create authority CRTAUT *SYSVAL   
Create object auditing CRTOBJAUD *SYSVAL   
Bottom
F3=Exit F4=Prompt F5=Refresh F12=Cancel F13=How to use this display
F24=More keys
Understanding AS/400 System Operations

22. Understanding AS/400 System Operations
Command Format
Commands written in one of these forms
Keyword
Positional
Combination
Understanding AS/400 System Operations

23. Commands With Parameters
Name Parameter Parameter Parameter
(value) (value) (value)
| | | |
CRTLIB LIB(MYLIBR) TYPE(*PROD) TEXT(‘My Library’)
/ | \
KEYWORD KEYWORD KEYWORD
Understanding AS/400 System Operations

24. Understanding AS/400 System Operations
Positional Notation
Command Parameter Parameter Parameter
Name 1 (LIB) (TYPE) (TEXT)
| | / /
| | / /
| | / /
| | / /
CRTLIB MYLIBR *PROD ‘My Library’
Understanding AS/400 System Operations

25. Understanding AS/400 System Operations
Combined
CRTLIB MYLIBR TYPE(*PROD) TEXT(‘My Library’)
There is a rule to remember when you mix parameter entry types: Once you use your first keyword parameter, you cannot go back to using positional parameters.
Incorrect Example:
CRTLIB MYLIBR TYPE(*PROD) ‘My Library’
Understanding AS/400 System Operations

26. Understanding AS/400 System Operations
Skip Parameter
CRTLIB MYLIBR TEXT(‘My Library’)
Use *N for default parameter.
CRTLIB MYLIBR *N ‘My Library’
Understanding AS/400 System Operations

27. Understanding AS/400 System Operations
Major Menu
MAJOR Major Command Groups
System: BIGBLUE
Select one of the following:
1. Select Command by Name SLTCMD
2. Verb Commands VERB
3. Subject Commands SUBJECT
4. Object Management Commands CMDOBJMGT
5. File Commands CMDFILE
6. Save and Restore Commands CMDSAVRST
7. Work Management Commands CMDWRKMGT
8. Data Management Commands CMDDTAMGT
9. Security Commands CMDSEC
10. Print Commands CMDPRT
11. Spooling Commands CMDSPL
12. System Control Commands CMDSYSCTL
13. Program Commands CMDPGM
More...
Selection or command
===> _________________________________________________________________________
F3=Exit F4=Prompt F9=Retrieve F12=Cancel F13=Information Assistant
F16=AS/400 Main menu
(C) COPYRIGHT IBM CORP. 1980, 1998.
Understanding AS/400 System Operations

28. Understanding AS/400 System Operations
Subject Menu
CMDLIB Library Commands
Select one of the following:
Commands
1. Change Current Library CHGCURLIB
2. Change Library CHGLIB
4. Clear Library CLRLIB
5. Copy Library CPYLIB
6. Create Library CRTLIB
7. Delete library DLTLIB
8. Display Library DSPLIB
9. Display Library Description DSPLIBD
10. Query Document Library QRYDOCLIB
11. Reclaim Library RCLLIB
12. Restore Library RSTLIB
13. Restore S/36 Library Members RSTS36LIBM
More...
Selection or command
===> _________________________________________________________________________
F3=Exit F4=Prompt F9=Retrieve F12=Cancel F16=Major menu
Understanding AS/400 System Operations

29. Understanding AS/400 System Operations
Accessing a Menu
Go to Menu (GO)
Type choices, press Enter.
Menu Name, generic*, *ALL
Library *LIBL Name, *LIBL, *CURLIB...
Return point *YES *YES, *NO
Understanding AS/400 System Operations

30. Understanding AS/400 System Operations
Command Menus
Access menus grouped by Command
GO CMDWRK (all work commands)
GO CMDxxx (where xxx is any section of a command)
GO CMD* (All commands)
GO CMDC* (Commands starting with a ‘C’)
Understanding AS/400 System Operations

31. Understanding AS/400 System Operations
Command Entry BIGBLUE
Request level: 7
Previous commands and messages:
(No previous commands or messages)
Bottom
Type command, press Enter.
===> __________________________________________________________
_______________________________________________________________
F3=Exit F4=Prompt F9=Retrieve F10=Include detailed messages
F11=Display full F12=Cancel F13=Information Assistant F24=More keys
Understanding AS/400 System Operations

32. Understanding AS/400 System Operations
Command Entry Screen
Command Entry BIGBLUE
Request level: 4
All previous commands and messages:
> /* */
3 > go cmdprt
3 > call qcmd
4 > CPYF FROMFILE(ASDF) TOFILE(*PRINT)
From-file ASDF in *LIBL not found.
Copy command ended because of error.
4 > gomajor
Command GOMAJOR in library *LIBL not found.
Error found on GOMAJOR command.
4 > go Major
4 > Call qcmd
End of requests.
Bottom
Type command, press Enter.
===> ________________________________________________________________________
____________________________________________________________________________
__________________________________________
F3=Exit F4=Prompt F9=Retrieve F10=Exclude detailed messages
F11=Display full F12=Cancel F13=Information Assistant F24=More keys
Understanding AS/400 System Operations