What does Def Usr stand for?
Def Usr stands for "Define User Program"
How to abbreviate "Define User Program"?
"Define User Program" can be abbreviated as Def Usr
What is the meaning of Def Usr abbreviation?
The meaning of Def Usr abbreviation is "Define User Program"
What does Def Usr mean?
Def Usr as abbreviation means "Define User Program"
