What is the difference between a process and a thread? | Real World Example

Process: 

1. A process is a heavyweight process.
2. A process is a separate program that has separate memory, data, resources etc.
3. A process is created using fork() method.
4. Context switch between the process is time-consuming. 

Example:
opening any browser (Mozilla, Chrome, IE). At this point, a new process will start to execute.

Threads:

1. Threads are lightweight processes.Threads are bundled inside the process.
2. Threads have a shared memory, data, resources, files etc.
3. Threads are created using clone() method.
4. Context switch between the threads are not much time consuming as Process.

Example:
Opening multiple tabs in the browser. 

Real world example for Process and Thread This will give you the basic idea about thread and process