Add sane open alias.

.bashrc

@@ -30,6 +30,10 @@ alias social="emacs -q -l '~/.emacs.d/init-social.el'"
 alias game="xrandr --output HDMI-0 --mode 1920x1080 --pos 0x0 --rotate normal --primary --output DP-2 --mode 1920x1080 --right-of HDMI-0 --rotate left --output DP-4 --mode 1920x1080 --left-of HDMI-0 --rotate right --output DP-0 --off"
 alias fixit="xrandr --output HDMI-0 --mode 2560x1440 --pos 0x0 --rotate normal --primary --output DP-2 --mode 1920x1080 --right-of HDMI-0 --rotate left --output DP-4 --mode 1920x1080 --left-of HDMI-0 --rotate right --output DP-0 --off"
 
+
+# nixos aliases that don't matter elsewhere:
+alias open=xdg-open
+
 # blatantly steal micah's colorized man pages
 # See: http://boredzo.org/blog/archives/2016-08-15/colorized-man-pages-understood-and-customized
 # see: https://github.com/mrled/dhd/blob/800544cae0cc2f4e2b85b5dafae59babf75677fe/hbase/.bashrc