Types of IPC's in Linux

Inter-Process-Communication (or IPC for short) are mechanisms provided by the kernel to allow processes to communicate with each other. On modern systems, IPCs form the web that bind together each process within a large scale software architecture.

The Linux kernel provides the following IPC mechanisms:

Signals 
Anonymous Pipes 
Named Pipes or FIFOs 
SysV Message Queues 
POSIX Message Queues 
SysV Shared memory 
POSIX Shared memory 
SysV semaphores 
POSIX semaphores 
FUTEX locks 
File-backed and anonymous shared memory using mmap 
UNIX Domain Sockets 
Netlink Sockets 
Network Sockets

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