os.getpid()

os.getpid() is a Python function in the OS Module category. Returns the current process ID. The syntax is os.getpid(). Returns: Integer PID. A typical example: os.getpid() # 12345. A close sibling is os.getcwd(), which returns the current working directory as a string. A close sibling is os.chdir(), which changes the current working directory to the given path. A close sibling is os.listdir(), which returns a list of all files and directories in the given path. A close sibling is os.mkdir(), which creates a single directory. Raises FileExistsError if it already exists. More about this category: Operating system interface — file operations, paths, environment variables. For a broader walkthrough, read the OS Module guide. Related OS Module entries: os.getcwd(), os.chdir(), os.listdir(), os.mkdir(), os.makedirs(), os.remove(). This page is part of the free Python Reference documentation covering 978+ functions, methods, and modules with examples and parameter details.