OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality.
All functions in os module raise OSError in the case of invalid or inaccessible file names and paths, or other arguments that have the correct type, but are not accepted by the operating system.
os.getuid() method in Python is used to get the current process’s real user id while
os.setuid() method is used to set the current process’s real user id.
User ID: In Unix-like operating systems, a user is identified by a unique value called user ID. User ID is used to determine which system resource a user is authorized to access.
os.getuid() methods are available only on UNIX platforms and functionality of
os.setuid() method is typically available only to the superuser as only superuser can change user id.
Superuser means a root user or an administrative user who has all the permissions to run or execute any program in the operating system.
Parameter: No parameter is required
Return Type: This method returns an integer value which represents the current process’s real user id.
Real user ID of the current process: 1000
uid: An integer value representing new user ID for the current process.
Return Type: This method does not return any value.
Real user ID of the current process: 0 Real user ID changed Real user ID of the current process: 1500
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