Answer / ajith kumar

customer-exit is based on enhancements concept where
in we add further required functonality to the sap
objects based on the enhancement facility provided by
the sap.Eg screen-exit,menu-exit,field-exit etc.User-exit
is also used to provide more features to the sap object like
enhancements,but technically user-exit is a modification to
sap objects because we are here modifiying the sap objects.

Answer / sainath

Both customer Exits and User exits are Enhancements only.The
difference between these are:
1) User Exits are done using subroutines and it will ask for
access key.
Tcode for userexits : SPRO

2)Customer Exits are done through function module.
Tcode for customer exits : SMOD

Answer / sweta patel

user exit it is used to adds some additional functionality to standard functionality always through the 'subroutine'.

customer exit it is used to adds some additional functionality to standard functionality always through the 'Function module'.

Answer / shamim khan

i think tcode SPRO will give all the customer-exits and
SMOD/CMOD for user-exits.

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