All functions in the os module raise OSError for invalid or unreachable file names and paths or other arguments that are of the correct type but are not accepted by the operating system.
B On UNIX-like operating systems, a process group refers to a collection of one or more processes. It is used to control signal distribution, that is, when a signal is routed to a process group, each member of the process group receives a signal. Each process group is uniquely identified using a process group ID.
os.getpgrp() in Python is used to get the current process group ID.
os.getsid() is only available on UNIX platforms.
Syntax: os.getpgrp ()
Parameter: No parameter is required
Return Type: This method returns an integer value which denotes the process group id of the current process.
Code: using the os.getpgrp () method