SAP-ABAP (T-codes) transaction codes

USMMPressing F8 will display all hotpacks applied.
SEARCH_SAP_MENUShow the menu path to use to execute a given tcode. You can search by transaction code or menu text.
DI02ABAP/4 Repository Information System: Tables.
LSMWLegacy System Migration Workbench. An addon available from SAP that can make data converstion a lot easier.
OSS1SAP Online Service System
OY19Compare Tables
SM13Update monitor. Will show update tasks status. Very useful to determine why an update failed.
S001ABAP Development Workbench
S001ABAP/4 Development Weorkbench.
S002System Administration.
SA38Execute a program.
SCATComputer Aided Test Tool
SCU0Compare Tables
SE01Old Transport & Corrections screen
SE03Groups together most of the tools that you need for doing transports. In total, more than 20 tools can be reached from this one transaction.
SE09Workbench Organizer
SE10New Transport & Correction screen
SE11ABAP/4 Dictionary Maintenance SE12 ABAP/4 Dictionary Display SE13 Maintain Technical Settings (Tables)
SE12Dictionary: Initial Screen - enter object name.
SE13Access tables in ABAP/4 Dictionary.
SE14Utilities for Dictionary Tables
SE15ABAP/4 Repository Information System
SE16Data Browser: Initial Screen.
SE16NTable Browser (the N stands for New, it replaces SE16).
SE17General Table Display
SE24Class Builder
SE30ABAP/4 Runtime Analysis
SE32ABAP/4 Text Element Maintenance
SE35ABAP/4 Dialog Modules
SE36ABAP/4: Logical Databases
SE37ABAP/4 Function Modules
SE38ABAP Editor
SE39Splitscreen Editor: Program Compare
SE41Menu Painter
SE43Maintain Area Menu
SE48Show program call hierarchy. Very useful to see the overall structure of a program. Thanks to Isabelle Arickx for this tcode.
SE49Table manipulation. Show what tables are behind a transaction code. Thanks to Isabelle Arickx for this tcode.
SE51Screen Painter: Initial Screen.
SE54Generate View Maintenance Module
SE61R/3 Documentation
SE62Industry utilities
SE63Translation
SE64Terminology
SE65R/3 document. short text statistics SE66 R/3 Documentation Statistics (Test!)
SE68Translation Administration
SE71SAPscript layout set
SE71SAPScript Layouts Create/Change
SE72SAPscript styles
SE73SAPscript font maintenance (revised)
SE74SAPscript format conversion
SE75SAPscript Settings
SE76SAPscript Translation Layout Sets
SE77SAPscript Translation Styles
SE80ABAP/4 Development Workbench
SE81SAP Application Hierarchy
SE82Customer Application Hierarchy
SE83Reuse Library. Provided by Smiho Mathew.
SE84ABAP/4 Repository Information System
SE85ABAP/4 Dictionary Information System
SE86ABAP/4 Repository Information System
SE87Data Modeler Information System
SE88Development Coordination Info System
SE91Maintain Messages
SE92Maintain system log messages
SE93Maintain Transaction.
SEARCH_SAP_MENUFrom 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.
SEUObject Browser
SHD0Transaction variant maintenance
SM04Overview of Users (cancel/delete sessions)
SM12Lock table entries (unlock locked tables)
SM21View the system log, very useful when you get a short dump. Provides much more info than short dump
SM30Maintain Table Views.
SM31Table Maintenance
SM32Table maintenance
SM35View Batch Input Sessions
SM37View background jobs
SM50Process Overview.
SM51Delete jobs from system (BDC)
SM62Display/Maintain events in SAP, also use function BP_EVENT_RAISE
SMENDisplay the menu path to get to a transaction
SMOD/CMODTransactions for processing/editing/activating new customer enhancements.
SNROObject browser for number range maintenance.
SPROStart SAP IMG (Implementation Guide).
SQ00ABAP/4 Query: Start Queries
SQ01ABAP/4 Query: Maintain Queries
SQ02ABAP/4 Query: Maintain Funct. Areas
SQ03ABAP/4 Query: Maintain User Groups
SQ07ABAP/4 Query: Language Comparison
ST05Trace SQL Database Requests.
ST22ABAP Dump analysis
SU53Display Authorization Values for User.
WEDIEDI Menu. IDOC and EDI base.
WE02Display an IDOC
WE07IDOC Statistics