| Number | Node.js OS | Description |
| 1 | Node.js os.EOL | Well this is mainly used to get end-of-line characters or markers as specified by the operating system. |
| 2 | Node.js os.arch() Method | Well this is used to get the CPU architecture of the computer for which the current node.js is compiled. |
| 3 | Node.js os.cpus() Method | Well this is used to get information about each of logical CPU core of the computer. |
| 4 | Node.js os.endianness() Method | Well this is used to get endianness of the CPU of the computer for which the node.js is compiled. |
| 5 | Node.js os.freemem() Method | Well this is used to get the amount of free system memory. |
| 6 | Node.js os.getPriority() Method | Well this is used to get the scheduling priority of the process specified by pid. |
| 7 | Node.js os.homedir() Method | Well this is used to get path of the home directory for the current user. |
| 8 | Node.js os.hostname() Method | Well this is used to get hostname of the operating system. |
| 9 | Node.js os.loadavg() Method | Well this is used to get the load average. |
| 10 | Node.js os.networkInterfaces() Method | This is used to get information about the network interfaces of the computer. |
| 11 | Node.js os.platform() Method | Well this is used to get the Operating system platform. |
| 12 | Node.js os.release() Method | Well this is used to get the Operating system release. |
| 13 | Node.js os.setPriority() Method | Well this is used to set the scheduling priority of the process specified by pid and priority. |
| 14 | Node.js os.tmpdir() Method | Well this is used to get path of default directory for temporary files of the operating system. |
| 15 | Node.js os.totalmem() Method | Well this is used to get the amount of total system memory in bytes. |
| 16 | Node.js os.type() Method | Well this is used to get the Operating system name. |
| 17 | Node.js os.uptime() Method | Well this is used to get system uptime in seconds. |
| 18 | Node.js os.userInfo() Method | Well this is used to get the information of the currently effective user. |
| 19 | Node.js os.version() Method | Well the os. version() method is used to identify the version of the kernel of the Operating System.
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