Command Modules:
xonsh.xoreutils.cat
xonsh.xoreutils.echo
xonsh.xoreutils.pwd
xonsh.xoreutils.tee
xonsh.xoreutils.tty
xonsh.xoreutils.which
Helper Modules:
xonsh.xoreutils.uptime
xonsh.xoreutils.util
xonsh.diff_history