Here is the list of all important SAP ABAP Transaction Codes:
| Transaction Codes | Function |
| OSS1 | SAP Online Service System |
| OY19 | Compare Tables |
| S001 | ABAP Development Workbench |
| S002 | System Administration. |
| SA38 | Execute a program. |
| SCAT | Computer Aided Test Tool |
| SCU0 | Compare Tables |
| SE01 | Old Transport & Corrections screen |
| SE03G | roups together most of the tools that you |
| SE09 | Workbench Organizer |
| SE10 | New Transport & Correction screen |
| SE11 | ABAP/4 Dictionary Maintenance |
| SE12 | Dictionary: Initial Screen |
| SE13 | Access tables in ABAP/4 Dictionary. |
| SE14 | Utilities for Dictionary Tables |
| SE15 | ABAP/4 Repository Information System |
| SE16 | Data Browser: Initial Screen |
| SE16N | Table Browser (the N stands for New, it |
| SE17 | General Table Display |
| SE24 | Class Builder |
| SE30 | ABAP/4 Runtime Analysis |
| SE32 | ABAP/4 Text Element Maintenance |
| SE35 | ABAP/4 Dialog Modules |
| SE36 | ABAP/4: Logical Databases |
| SE37 | ABAP/4 Function Modules |
| SE38 | ABAP Editor |
| SE39 | Splitscreen Editor: Program Compare |
| SE41 | Menu Painter |
| SE43 | Maintain Area Menu |
| SE48 | Show program call hierarchy. Very useful |
| SE49 | Table manipulation. Show what tables are |
| SE51 | Screen Painter: Initial Screen |
| SE54 | Generate View Maintenance Module |
| SE61 | R/3 Documentation |
| SE62 | Industry utilities |
| SE63 | Translation |
| SE64 | Terminology |
| SE65 | R/3 document. short text statistics |
| SE66 | R/3 Documentation Statistics (Test!) |
| SE68 | Translation Administration |
| SE71 | SAPscript layout set |
| SE72 | SAPscript styles |
| SE73 | SAPscript font maintenance (revised) |
| SE74 | SAPscript format conversion |
| SE75 | SAPscript Settings |
| SE76 | SAPscript Translation Layout Sets |
| SE77 | SAPscript Translation Styles |
| SE78 | FOR GRAPHICS |
| SE80 | ABAP/4 Development Workbench |
| SE81 | SAP Application Hierarchy |
| SE82 | Customer Application Hierarchy |
| SE83 | Reuse Library. |
| SE84 | ABAP/4 Repository Information System |
| SE85 | ABAP/4 Dictionary Information System |
| SE86 | ABAP/4 Repository Information System |
| SE87 | Data Modeler Information System |
| SE88 | Development Coordination Info System |
| SE91 | Maintain Messages |
| SE92 | Maintain system log messages |
| SE93 | Maintain Transaction |
| SEU | Object Browser |
| SHD0 | Transaction variant maintenance |
| SM04 | Overview of Users (cancel/delete session |
| SM12 | Lock table entries (unlock locked tables |
| SM21V | iew the system log, very useful when you |
| SM30 | Maintain Table Views. |
| SM31 | Table Maintenance |
| SM32 | Table maintenance |
| SM35 | View Batch Input Sessions |
| SM37 | View background jobs |
| SM50 | Process Overview. |
| SM51 | Delete jobs from system (BDC) |
| SM62 | Display/Maintain events in SAP, also us |
| SMEN | Display the menu path to get to a transa |
| USMM | Pressing F8 will display all hotpacks ap |
| DI02 | ABAP/4 Repository Information System: T |
| LSMW | Legacy System Migration Workbench. |
| (An a | ddon available from SAP that can make dat |
| SM13 | Update monitor. Will show update tasks s |
| SMOD/ | CMOD Transactions for processing/editing |
| SNRO | Object browser for number range maintena |
| SPRO | Start SAP IMG (Implementation Guide). |
| ST05 | Trace SQL Database Requests. |
| ST22 | ABAP Dump analysis |
| SU53 | Display Authorization Values for User. |
| WE02 | Display an IDOC |
| WE07 | IDOC Statistics |
Important Notes:
SEARCH_SAP_MENU From the SAP Easy Access screen, type it in the command field and you will be able to search the standard SAP menu for transaction codes/keywords. It will return the nodes to follow for you.
Go to T-code SE16 use the Table TSTC ,where u can find all the transaction codes..