Deadlock prevention

Can you explain the circular wait in deadlock prevention?

@divisharoy14_5d0aa86c37c6588a,
its like resources are there but u r not able to utilize as they are dependent on each other
suppose u have a phone and i have a sim card we both want to call but we wait ki first u will give me phone and u wait ki I will give u sim…

hope the informal exp. was helpful
if u wanna read about it formally refer https://www.guru99.com/deadlock-in-operating-system.html

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