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Processes in the operating system interact with each other using various interprocess communication (IPC) methods:

  • Pipes — allow sequential data transfer between processes, usually related by parent-child relationships.
  • Sockets — facilitate data exchange between processes, both on the same machine and over the network.
  • Shared memory — allocates a memory region accessible by multiple processes for fast data transfer.
  • Semaphores — used to synchronize access to shared resources.
  • Message queues — enable processes to exchange structured messages.

In Go, channels are often used for interaction between goroutines, providing safe data transfer and synchronization.

Example of using a channel in Go:

ch := make(chan string)
func() {
    ch <- "Hello from goroutine"
}()
msg := <-ch
fmt.Println(msg)