os._exit(n) Exit the process with status n, without calling cleanup handlers, flushing stdio buffers, etc.

os.waitid(idtype, id, options) Wait for the completion of one or more child processes. idtype can be P_PID

is_dir(*, follow_symlinks=True) Return True if this entry is a directory or a symbolic link pointing to a directory;

argtypes Assign a tuple of ctypes types to specify the argument types that the function accepts. Functions using the stdcall

_b_needsfree_ This read-only variable is true when the ctypes data instance has allocated the memory block itself, false otherwise

os.truncate(path, length) Truncate the file corresponding to path, so that it is at most length bytes in size

window.chgat(attr) window.chgat(num, attr) window.chgat(y, x, attr) window

os.name The name of the operating system dependent module imported. The following names have currently been registered: 'posix'

os.WIFCONTINUED(status) Return True if the process has been continued from a job control stop, otherwise return

os.spawnve(mode, path, args, env) os.spawnvp(mode, file, args) os.spawnvpe(mode, file, args, env)