To see if an app/software is compatible, to be aware of the flaws and be informed of system updates that are available are the some reasons to know the operating system version on computer or mobile device.
What is operating system?
An operating system is a software program that manages and operates computing device computers, laptops, smart watches, mobile phones.
It is the operating system that makes it unnecessary to know a coding language in order to interact with computers.
Thus, to check compatible, aware of flaws and it keep the updated about the software.
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