S001 is the Tcode for ABAP Workbench. We can find all the relevant transactions for ABAP through this Tcode.
SDW0 Provides the same functionality with more features.
Below is a list of Tcodes that are necessary for an ABAP developer.
ABAPDOCU ABAP Documentation Library
ABAPHELP ABAP Keyword Documentation
AL08 System-Wide List of User sessions in SAP System (Logged Users Information )
PFCG Role Maintenance
SA38 ABAP Reporting
SCMP View/Table
comparison
SCU3 Customized objects and Tables History
SCI Code
Inspector
SE01 Transport Organizer(Extended View)
SE09 Transport
organizer
SE10
SE11 ABAP Dictionary
SE12 ABAP Dictionary display
SE15 Repository
Info System
SE16 Display
table content
SE16N General Table Display
SE17 General
table display
SE37 ABAP
Function Modules
SE38 ABAP Editor
SE41 Menu Painter
SE51 Screen
Painter
SE71 Form Painter
SE80 Object
Navigator
SE93 Maintain Transaction
SHDB Transaction Recorder
SLIN ABAP Programs Extended Check
SM04 User Sessions
SM21 System Log
SM30 Maintain
tables(not all tables can use SM30)
SM31 Maintain
tables/Views
SM35 Batch Input
Monitoring
SM37 Overview of background jobs
SP00 Spool
SP01 Output controller
SP02 Display output requests
SPAD Spool administration (printer setup)
SPIC Spool;
installation check
ST01 SAP system trace
ST05 Performance trace
ST07 Application
Monitor
ST09 Table call
statistics
ST11 Display
developer trace
ST12 Application
monitor
ST22 Dump
Analysis
STAT Local
Transaction statistics
STUN Performance
monitoring
SU01 User
maintenance
SU02 Maintain
authorization profiles
SU03 Maintain
authorizations
SU10 Maintain
change to user records
SU12 Delete all
users
SU2 Maintain
user parameters
SU53 Display Failed authorization check
SM12 Check Lock Entries
SAAB Checkpoints
that Can Be Activated
SALE ALE
customizing transaction
CG3Y Download File from SAP Application Server to Local machine
CG3Z
NACE Output Control - for Mapping standard Tcodes to custom outputs.
ST05 SQL tracer
(for performance tunning)
SE30 ABAP runtime
analysis(Performance tuning)
SE61 SAP Documentation
SFP ADOBE Forms
SMARTFORMS Smartforms
WE31 Segment
creation
WE30 Idoc Type
creation
WE81 Creation and
assigning of Message type
