ABAP / Tables / Data Dictionary -

Transaction	Description
se11	Dictionary Definitions
se14	Database utility
se16	Data Browser (display only)
se16n	Modify: “&sap_edit” (uase16n)
sd11	Data model
sm30, sm31	SAP Table view maintenance
se54 (SOBJ)	Table / View Cluster
se37	Function module editor
se38 / se39	Program editor / split screen
sa38	Program execution
se80	ABAP Development Workbench
se84	Object Navigator
se18	BAdI Definitions
se19	BAdI Implementations
se24	Class builder
BAPI	BAPI explorer
swo1/2	Business object builder / browser
smartforms	Smart forms administration
se71	SapScript (Form painter)
se43	Area Menu maintenance
se91	Message maintenance
se93	Transaction maintenance
sci	Code inspector
slin	Program extended syntax check

Runtime / Logs/ Database -

Transaction	Description
sm21	System log
sm13	Update requests
st22	ABAP Runtime Error (Dump)
sm12	Table look entries
sm56	Number range buffers
snro	Number ranges
se30	Runtime analysis
st01	System trace
st05	SQL Trace
db02, st04	Database tools / performance
st02, st06	Database tune summary
scu3	Table logging

Jobs / Batches / Events -

Transaction	Description
sm36	Job Definition
sm37/smx	Job Overview
sm50	Process Overview
sm51	... per SAP application server
sm34	View cluster maintenance
sm49/sm69	External Commands
sm66	Process overview
sm62/sm64	Event overview / administration
STVARV(C)	Selection fields variables

User Administration -

Transaction	Description
sm04	User overview
su53	Check authorization data for user
suim	User information / authorization
su20 / su21	Authorization object & class / field
su01	User maintenance
PFCG	Roles
su03	Authorization

Transports -

Transaction	Description
se09 (se01)	Transports (extended)
se03	Transport organizer tool
se06	Post Installation Actions
se07	Status Transports
stms	Transport management
spam	Support package manager
spau (spdd)	Modification adjustment
sgen	Regenerate Repository Objects

Transport: R3TR Objects -

Transaction	Description
PROG	Program
FUGR	Function group
VIEW	View
TABL	Table / Structure
DOMA	Domain
DTEL	Data element
TRAN	Transaction
TABU	SAP Table contents
FORM	SAP Script Form

Paths, Database, Connections -

Transaction	Description
al11	SAP file directory
file	Logical file path
scu0 / oy19	Comparison Customizing
scmp	Comparison tables (Remote)
sm58	Transactional RFC
sm59	RFC Connections

FI Customizing -

Transaction	Description
ec01	Copy, Check, ... Company code
fbkp	Accounting maintenance
fbn1	Accounting Document->Number Ranges
fbzp	Payment Program Configuration
fi12	Change House Banks / Bank Accounts
ob05	Accounting clerks T001S
ob13	Chart of accounts T004
ob29	Fiscal Year Variants
ob37	CC -> fiscal year variant
ob38	Assign Co.Code -> Credit Cntl Area
ob52	Posting periods T001B
ob57	User ->Tolerance group T043
ob62	CC->chart of accounts T001
oba3	Tolerances Vendor / Customer
oba4	Tolerance groups T043T
oba7	Document types T003
obas	Vendor acc. gr.->number range T077K
obbo	Posting periods: variants T010O
obbp	CC->Posting periods var. T001
obc4	Field Status Variant T004V
obc5	CC -> field status variant T001
obd3	Account groups: Vendor T077K
obd4	Accounts -> Account groups T077S
oby6	CC global data T001
ox02	Company Code
ox06	Controlling area
ox16	Assign company code -> Company ID
oy04	Decimal Places for Currencies
oy07	Countries: global parameters
oy17	Countries: field checks
ob08	Exchange Rate (TCURR)
ob07	Exchange Rate Types (TCURV)
FDTA	Data medium / carrier

FI Operational -

Transaction	Description
fb01/..	Post Document: header data
fd01/..	Customer (= Debtor), CpD
fk01/..	Vendor (= Creditor), CpD
ks01/..	Cost Center
fi01/..	Bank
fs00	Central G/L account
fsp1	G/L Charts of accounts
fss1	G/L Company Code

Workflow -

Transaction	Description
PFTC	Task maintenance
swi1	Selection for work items (Log)
swu3	Automatic workflow customizing
swdd	Workflow builder
sbwp	SAP Business workplace
swel(s)	Display (switch on/off) event trace
SWI2_FREQ	Work items sorted by workflow

Translation -

Transaction	Description
oku4	Translation Tool
se63	Standard Translation Environment
smlt	Language Ma

Batch Input -

Transaction	Description
sm35	Batch Input: session overview
shdb	Batch Input recorder
BMV0	Direct Input

Archive Link -

Transaction	Description
OADR	Search for stored print lists
OAOR	Business document navigator
OAAD	Administration of stored documents
OAA1	Selection of storage system

Spool (Print Output) -

Transaction	Description
sp01	Spool request selection
sp02	List of own spool requests
spad	Spool Administration

SAP Transaction Codes - Basis

Transaction	Description
sq01	SAP Query
sq02	Info set
sq03	User groups
SQVI	SAP Quick viewer(individual)
so10	Standard text editor
scc4	Client overview
smlg	Logon load balancing
BRF	Business rule framework
I18N	Internationalization for SAP
scot	SAP Connect (Email, Fax, etc)
OLE	Example for OLE processing
SALE	IMG: IDoc and ALE
spro	SAP basis customizing
HIER	Component Hierarchy
rsa1	SAP BW Workbench (DWH)