SAP TCodes

T-Codes	Description	T-Codes	Description
FILE	Logical File Path Definition	AL11	Files on server path
FIBF	Business Event Transactions	SU01	User Role Assignment and Information
LBWG	Deletion of setup tables	SU53	Authorization Object Errors
NPRT	Log for setup of statistical data	SP01	Spool Requests
RSANWB	APD Tcode	SM62	Creating Events
RSA1	Dataware house	SQVI	Creating Joins / Dynamic Reports / SQL Query
RSA2	Display datasources	RS_LOGSYS_CHECK	Check Source Systems
RSA3	Extract Checker	RSODSO_SETTINGS	DSO Settings
RSA5	Installing Data Source	ST02 / 06	Tune Summary ( CPU Utilization )
RSA6	Activated Datasources	RSECADMIN	Management of Analysis Authorizations - Roles
RSA7	BW Delta Queue LINK	/ASU/START	Upgrade Tool
RSBBS	Jump Queries	BD22	Delete Change Pointers
RSBO	InfoSpoke	CHANGERUNMONI	Monitor for Attribute Change Runs
RSDS	Datasource Repository (replicate ds)	BPH	CRM Display BP Group Hierarchy
RSECAUTH	Maintain Authorizations	RSTMSAMO	TMS Alert Viewer ( can be used for authorization checks )
RSKC	Maintainance of Permitted characters	STMS	Transport Management System
RSPC	Process Chain	WE20	EDI Partner Profiles ( Base table : EDPP1)
RSPC1	Single Process Chain	SO23	Creating email distribution Lists
RSRT	Running the query	SMQS	qRfc Monitor / QOUT Scheduler / List of all systems connected
RSRV	Analysis and Repair of BI Objects	SM59	Configuration of RfC Connections
SCC1	Client transfer of changed : transfer individual transport requests directly out for the source client into the the current client ( * Check the checkbox for Tasks )	SCMA	Schedule Manager: Scheduler - Charm - Process failed transports manually
SE01	Transportation Organizer (Display Logs)	SCOT	Email Communications
SE03	Transport Organization Tools	SMICM	Internet Communication Monitor - web services related
SE09	List of User Transports	STRUST	Trust Manager - Webservices related
SE11	Tables (Create, Display,Change)	CRM_UI	Open UI for CRM ( Might ask for login )
SE12	Tables (Display)	CRMD_ORDER	CRM Transactions
SE13	Dictionary : Technical Settings	DBACOCKPIT	DBA Cockpit System Storage Space
SE14	ABAP Dictionary : Database utility
SE16	Tables Maintainance
SE18	BADI Builders (C,D,C)
SE19	BADI Implementations
SE24	Class Builders
SE37	Function Modules
SE38	Report Programs
SE80	Module pool Program
SE91	Message Classes
SE93	T-Codes Creation
SM12	Lock Objects
SM13	Queue
SM37	Backgound Jobs
SM50	Back Ground Processess
SM51	SAP Server information
SM69	External Commands Maintainance
SO01	Inbox
SU53	User Authorizations
TBE01	Library of the Publish&Subscribe Business Transaction Event
TBE24	Customer Products
TRFCQOUT	tRFC Queue Description (Outbound Queue)

Functional TCodes

T-Code	Functionality	Associated Tables
ME23N	Purchase Order Display	EKKO,EKPO,EKET Etc
MB55	List of GR / IR Balanaces	Gives the POs which are still open - Goods Received Not Equal to Invoiced, EKKN, 2LIS_06_INV
ME2L	Purchasing Document Number Per Vendor	EKKO, EKPO etc. 2LIS_02 Datasources
MB03	Material Document Display	MSEG
VA01-02-03	Sales Document	VBAP,VBPA Etc
MSKU	Special Stocks with Customer
IW12	Display Document Flow - flow of Service, Orders,Confirmations, Sales Doc, Billing Doc etc.
SCDO	Change Documents	CDHDR,CDPOS,TCDOB
VK13	Display Condition Records - Material Pricing Conditions	KONH, KONP, A Tables
MB51	Material Document List	MSEG
UKM_BP_DISPLAY	Credit Exposure	Datasource : 0FSCM_CM_4
VF04 / VF08	Bill Plans	SE38 Program : GNBILLDL