This module provides APIs to retrieve information about the environment variables and the current users of the Operating System.
The APIs are platform-independent, i.e., uniform across all operating systems.
For information on the operations, which you can perform with the
os module, see the below Functions.
Returns the environment variable value associated with the provided name.
Returns the current user's home directory path.
Returns the current user's name.
Returns a map of environment variables.
Sets the value of the environment variable named by the key.
Removes a single environment variable from the system if it exists.
Represents OS module related errors.