A session is nothing but a window or a screen.
How many maximum number of sessions we can open at a time?
We can open 6 sessions at a time.
How to open a new session?
From Menu -> Create Session
Before each T-Code we must enter /n or /o to go to another transaction from the existing transaction.
In case if we enter the T-Code from the home screen (Easy Access Screen) you no need to enter any special character.
/n : It over right existing transaction and open new transaction within the same session.
/o: It creates a new session.
