None.
chdir [directory]
Change the current directory of screen to the specified directory or,
if called without an argument, to your home directory (the value of the
environment variable $HOME). All windows that are created by means of the
screen command from within “.screenrc” or by means of
C-a : screen … or C-a c use this as
their default directory. Without a chdir command, this would be the
directory from which screen was invoked. hardcopy and
log files are always written to the window's default directory,
not the current directory of the process running in the window. You can
use this command multiple times in your .screenrc to start various windows
in different default directories, but the last chdir value will affect
all the windows you create interactively.
None yet.