SAP ABAP T Codes

1. SALE  Define the logical system
SCC4  Assign the client to LS
SM59  Maintain RFC destination details
BD64  Distribution model
WE21  Port number
WE20  Create partner profile
WE02
WE05  Check Idoc
BD87  Reprocess the IDOC.
BD61  Activate the change pointer technique
BD50  Activate message type
BD21  Generate as well as dispatch the idoc.
BD56  Segment filtering
BD53  Reduced Idoc
WE31  Create segment
WE30  Create Idoc.
WE81  Create message type
WE82  Link the message type to idoc
WE57  Link the message type to function module & idoc
BD51  Create the mode of posting
WE42  Create Process code & link the process code to function module
WE19  Test the custom inbound program
XK01 / MK01 / FK01  Create Vendor
XD01 / VD01 / FD01  Create Customer
MM01  Create Material
ME51N  Create Purchase order
ME21N  Create Purchase order
MB01  Create Material document
VA01  Create Sales Order
VL01  Create Delivery
VF01  Create Billing
FI01  Create Bank
FB01  Create account
KS01  Create Cost Center
KE51N  Create Profit Center
CS01  Create BOM
MSC1N  Create Batch
COR1  Create Process Order
C201  Create Recipe.
SE38  ABAP Editor
SE11  Data Base Tables
SE37  Function Module
SE41  Menu Painter
SE93  Transaction Code
SE91  Message
SE80  MPP, Package

2. SE51  Screen Painter
SE71  SAP – SCRIPT
SM35  Update Session Method
SMARTFORMS  Smart forms
SMARTSTYLES  Smart styles
SDMO  All Message types, IDOCs
SY-UNAME  Current user name
SY-CPROG  Current program
SY-LINNO  Last line number
SY-LSIND  Current list index number
SY-LANGU  Current language
SY-SUBRC  To know the condition is true or false
SY-LISEL  Select Exact line number
SY-LILLI  Select exact line number
SY-UCOMM  Function code of selected menu
SY-MSGID  Message ID