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Node.js os.type() Method

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The os.type() method is an inbuilt application programming interface of the os module which is used to get Operating system name. Syntax:

os.type()

Parameters: This method does not accept any parameters.
Return Value: This method returns a string that represents operating system name. The returned value can be one of these ‘Darwin’ for MacOS, ‘Linux’ for Linux and ‘Windows_NT’ for windows.
Below examples illustrate the use of os.type() method in Node.js: Example 1:

javascript

// Node.js program to demonstrate the    
// os.type() method 
     
// Allocating os module
const os = require('os');
  
// Printing os.type() value
console.log(os.type());

                    

Output: 

Windows_NT
Example 2:

javascript

// Node.js program to demonstrate the    
// os.type() method 
     
// Allocating os module
const os = require('os');
  
// Printing os.type() value
var type = os.type();
switch(type) {
    case 'Darwin':
        console.log("MacOS");
        break;
    case 'Linux'
        console.log("Linux operating system");
        break;
    case 'Windows_NT':
        console.log("windows operating system");
        break;    
    default
        console.log("other operating system");
}

                    

Output:

windows operating system
Note: The above program will compile and run by using the node index.js command. Reference: https://nodejs.org/api/os.html#os_os_type

Last Updated : 12 Oct, 2021
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