resource.getpagesize() Returns the number of bytes in a system page. (This need not be the same as the hardware page size.)

pwd.getpwall() Return a list of all available password database entries, in arbitrary order.

pwd.getpwnam(name) Return the password database entry for the given user name.

nis.cat(mapname, domain=default_domain) Return a dictionary mapping key to value such that match(key

nis.match(key, mapname, domain=default_domain) Return the match for key in map mapname, or raise an error

Template.copy(infile, outfile) Copy infile to outfile through the pipe.

pty.fork() Fork. Connect the child’s controlling terminal to a pseudo-terminal. Return value is (pid, fd). Note

fcntl.flock(fd, operation) Perform the lock operation operation on file descriptor fd (file objects providing

termios.tcflow(fd, action) Suspend or resume input or output on file descriptor fd. The action argument can

termios.tcgetattr(fd) Return a list containing the tty attributes for file descriptor fd, as follows: [iflag