• Configuration of the SAP modules
• Transaction SPRO - this is the main tree for all the configuration.
• Function Key
• F1 - Help
• F4 - Possible entries or matchcode for the field you are accessing
• F5 - Selection screen
• F7 - Previous screen
• F8 - Next screen
• F9 - Technical info
• CTRL+X - Cut
• CTRL+C - Copy
• CTRL+V - Paste
• Navigation
• /n           Skip to the next record if you are processing one batch input  session
• /bend     Cancel a batch input foreground process
• /nend     Close all R/3 sessions and logoff
• /nxxx x   Call the transaction xxxx in the same session
• /o           Generate a session list
• /oxxx x   Call the transaction xxxx in an additional session
• /i             Delete the current session
• /h            Turn the debug mode on
• /$tab       Reset all buffers (for System Administrators)
• /$syn c    Synchronize instances buffers (for System  Administrators)

In 4.x,  you can have long SAP transaction code up to a maximum of 20 character

In a nut shell, customization is done when the client's requirement cannot be mapped with SAP standards. Here you will have to take the help of ABAPers to develop the programs/change the program codes in order to match the clients business requirements

Configuration is done with out any developed programs

SAP Books :-
SAP FI, CO, MM, PP, SD, PM, PS, QM, SM, HR, WF, BW, APO, Basis,  ABAP/4, Certification, Books

Introduction
Introduction To SAP

Return to :-
SAP ABAP/4 Programming, Basis Administration, Configuration Hints and Tips