IPC Mechanism on linux

There are many ways to implement communication between processes on linux.
We can get the information by using “man”.

man ipcman 2 ipcman 5 ipcman 7 svipcman 7 pipeman 7 fifo          // named pipeman 7 sem_overview  // semaphoreman 7 shm_overview  // share memoryman 7 mq_overview   // message queue

other technologies on linux:

man 2 ioctl            // ioctlman 7 netlink          // netlinkman 7 unix             // unix socket(unix)