Difference between TSR and TSO program

 Difference between TSR and TSO program :

TSO means terminate but stay outside. It is that program, which release the main memory after the execution of the program. Example ms paint, notepad, turbo c compilers etc.

TSR means terminate but stay residence .It is those program, which after the execution of the program does not release the RAM (main memory).e.g. antivirus.