Node.js process.pid Property

The process.pid property is an inbuilt application programming interface of the process module which is used to get the PID of the process.

Syntax:

process.pid

Return Value: This property returns an integer value specifying the PID of the process.

Below examples illustrate the use of process.pid property in Node.js:

Example:

// Node.js program to demonstrate the
// process.pid Property

// Include process module
const process = require('process');

// Printing process.pid property value
console.log("process id is " + process.pid);

Output:

process id is 11436

Note: The above program will compile and run by using the node filename.js command.

Reference: https://nodejs.org/api/process.html#process_process_pid