"To operate the system" means to control or manage the functioning of a particular system. It involves performing tasks or actions necessary to make the system work effectively and efficiently. Full definition
Only affecting smartphones running an Android operating system of 4.3 or higher, the bug will be able to cease all audio within your smartphone or tablet. (androidheadlines.com)
The decision for not updating the images available on the servers is good for users who want to have a choice of operating systems for their phones. (windowsphonearea.com)
The main reason I bought it is to continue my testing with mobile operating systems on larger form factor devices. (carrypad.com)