class io.TextIOWrapper(buffer, encoding=None, errors=None, newline=None, line_buffering=False, write_through=False) A buffered

os.lockf(fd, cmd, len) Apply, test or remove a POSIX lock on an open file descriptor. fd is an open file descriptor

os.plock(op) Lock program segments into memory. The value of op (defined in <sys/lock.h>) determines

os.sched_setaffinity(pid, mask) Restrict the process with PID pid (or the current process if zero) to a set of CPUs

time.clock_settime(clk_id, time) Set the time of the specified clock clk_id. Availability:

ArgumentParser.error(message) This method prints a usage message including the message to the standard error and terminates

curses.initscr() Initialize the library. Return a WindowObject which represents the whole screen.

ArgumentParser.print_usage(file=None) Print a brief description of how the ArgumentParser should be invoked on

os.set_handle_inheritable(handle, inheritable) Set the “inheritable” flag of the specified handle.

os.mknod(path, mode=0o600, device=0, *, dir_fd=None) Create a filesystem node (file, device special file or named pipe) named