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Node js | OS

  • Last Updated : 13 Jul, 2021

OS is a node module used to provide information about the computer operating system. 
Advantages: 
It provides functions to interact with the operating system. It provides the hostname of the operating system and returns the amount of free system memory in bytes. 
Example 1:
 

javascript




// Include os module and create its object
var os = require('os');
 
// return the cpu architecture
console.log("CPU architecture: " + os.arch());
 
// It returns the amount of free system memory in bytes
console.log("Free memory: " + os.freemem());
 
// It return total amount of system memory in bytes
console.log("Total memory: " + os.totalmem());
 
// It returns the list of network interfaces
console.log('List of network Interfaces: ' + os.networkInterfaces());
 
// It returns the operating systems default directory for temp files.
console.log('OS default directory for temp files : ' + os.tmpdir ());

Output:
 

Example 2: 
 



javascript




// Include os module and create its object
var os = require('os');
 
// return the endianness of system
console.log("Endianness of system: " + os.endianness());
 
// It returns hostname of system
console.log("Hostname: " + os.hostname());
 
// It return operating system name
console.log("Operating system name: " + os.type());
 
// It returns the platform of os
console.log('operating system platform: ' + os.platform());
 
// It returns the operating systems release.
console.log('OS release : ' + os.release());

Output:
 

 




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