PWD_HELP="""Usage: pwd [OPTION]...Print the full filename of the current working directory. -P, --physical avoid all symlinks --help display this help and exitThis version of pwd was written in Python for the xonsh project: http://xon.shBased on pwd from GNU coreutils: http://www.gnu.org/software/coreutils/"""# Not Implemented# -L, --logical use PWD from environment, even if it contains symlinks