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.
os.openpty() method in Python is used to open a new pseudo-terminal pair. This method returns a pair of file descriptor (master and slave) for the pty and the tty, respectively. The returned file descriptors are non-inheritable.
As name suggests, pseudo terminal is a device that has the functions of a physical terminal without actually being one.
Note: This method is only available on some flavours of UNIX.
Parameter: No parameter is required
Return Type: This method returns a pair of file descriptors (master, slave) for the pty and the tty, respectively.
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