Useful T-codes in sap abap

AL11
SAP directorie structure
BAPI
BAPI Explorer, view all sap BAPI's
BRF
Business rule framework transaction
BRFAPL01
Define new application class. Once defined use tcode BRF to create application class.
BRFIMC01
Create implementing class. Use program BRF_COPY_IMPL_CLASSES to copy standard implementing classes to your new application class
BUSP
Project management of SAP enhancements
FILE
Maintain Logical file path definitions
GRANT_CUSTOMIZE
Customize Grant management screens via SAP's BDT(business data toolset) - Must have permission from SAP to use this method of modification
I18N
Internationalization in SAP
OAOR
Business document navigator (edit ENJOYSAP_LOGO etc for
ALV Tree)
OLE
Examples for OLE Processing
PFTC
Workflow task maintain
PPOM_OLD
View SAP personnel hr org structure
SA38
Execute SAP ABAP program
SALE
IDoc and ALE development
SCC1
Client Copy, copy transport
SCDO
Change Document / Change History
SCOT
SAPconnect Administration
SE01
Transport Organizer (extended view)
SE03
Transport Organizer Tools (change package/dev class etc..)
SE09
Workbench organiser
SE11
ABAP Dictionary
SE14
Database utility: Adjust after change to definition, delete….
SE16
Data browser, view/add table data
SE18
Business Add-ins(BADI’s): Definition transaction
SE19
Business Add-ins(BADI’s): Implementation transaction
SE24
Class builder
SE38
Program Editor
SE39
Split screen editor
SE41
Menu Painter
SE51
Screen Painter
SE61
Document maintenance
SE71
Form painter (SAPscript)
SE75
SAPScript settings including Text objetcs and IDs
SE80
Object Navigator ( SAP Development workbench, most development functionality is available from this transaction )
SE81
Application Hierarchy (leads to SE84 for desired area)
SE84
Repository info system
SE91
Message Maintenance
SE93
Maintain Transaction code
SHD0
Create Transaction Variant. Enter name of transaction plus name of new/existing variant.
SHDB
Batch input recorder

SLIN
ABAP program extended syntax check (full check of programs syntax)
SM04
User overview
SM12
Lock entries
SM13
Update Requests
SM21
Online system log analysis
SM30
Maintain table views
SM31
Table maintenance
SM35
Batch input i.e. Recording
SM36
Create background job
SM37
Background job monitor, Select background jobs
SM49
External Commands
SM50
Process overview (within current server)
SM51
Server overview
SM59
Display and Maintain RFC destination
SM64
Display/maintain Events
SM66
Process(session) overview across all servers
SM69
External commands(Maintain)
SMW0
SAP WEB Repository(binary data) - add/ mod images(used to put in screen containers)
SMX
View background jobs
SNOTE
SAP note assistant (if installed). Installs OSS notes for you, usually removes the need for manual code changes
SNRO
Maintain number ranges (use FM 'NUMBER_GET_NEXT' to retrieve next number in range.)
SO10
Standard text editor
SP01
Spool list
SP02
Display your Own spool list
SPAD
SAP Spool Administrator
SPAM
Support package manager
SPAU
Modification adjustment
SPRO
SAP System Customizing, IMG
SQ01
Sap Query development
ST02
Database Tune Summary
ST04
DB Performance Monitor
STMS
Transport Management system
ST22
ABAP runtime analysis ( ABAP Dump Analysis )
SU01
User Maintenance

SU53
Retrieve authorisation data for object, execute after error message is displayed(/nsu53)
SUIM
User info system (New user, Roles, Authorisations, User tcodes etc..)
SWO1
Business objects builder (change)
SWO2
Business objects browser (display)
SXDA
SAP Data transfer workbench
VOK2
Output determination by functional area / output type (Output programs)
WEDI
IDoc and EDI Basis