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logged in the system is the most popular phrase on the web.

logged on the system 12,590,000 results on the web	logged in the system 112,900,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
1 1 call. I logged on to the system to see what the thieves accessed. But it doesn't look like she logged into the system. She just logged into the system using Burke's user I.D., and I think she's headed your way. The system logged two names right around the time of the 9 Looks like it was logged back in the system 15 minutes ago. Doyle's perjury charge was never logged on the PNC system.	Each of the transfers is logged in to our system and is ready to go. But it doesn't look like she logged into the system. She just logged into the system using Burke's user I.D., and I think she's headed your way. To access these files you need to be logged in as the system administrator, often known as the Super User or root. He just logged in to my system. Once logged in with the operating system fully loaded and ready, close any open windows so that the standard operational desktop screen or equivalent ready screen is displayed. His computer was just sitting there, logged in to the main system. Looks like it was logged back in the system 15 minutes ago.

logged on the system

12,590,000 results on the web

logged in the system

112,900,000 results on the web

More popular!

1
1 call.
I logged on to the system to see what the thieves accessed.
But it doesn't look like she logged into the system.
She just logged into the system using Burke's user I.D., and I think she's headed your way.
The system logged two names right around the time of the 9
Looks like it was logged back in the system 15 minutes ago.
Doyle's perjury charge was never logged on the PNC system.

Each of the transfers is logged in to our system and is ready to go.
But it doesn't look like she logged into the system.
She just logged into the system using Burke's user I.D., and I think she's headed your way.
To access these files you need to be logged in as the system administrator, often known as the Super User or root.
He just logged in to my system.
Once logged in with the operating system fully loaded and ready, close any open windows so that the standard operational desktop screen or equivalent ready screen is displayed.
His computer was just sitting there, logged in to the main system.
Looks like it was logged back in the system 15 minutes ago.