Can two persons access a single file at a given time in c++

Question

how and without any error

Answer 1

If you open it for read it can work.

Answer 2

i would assume that depends on the operating system, but most likely not. you can use multiple threads to access it if you are careful

Answer 3

it is the same problem like in operating system subject ,concurrent conquerency problem called reader writer problem....
solution : synchronization

Answer 4

thank you max