$ xdg-open
The program 'xdg-open' is currently not installed. You can install it by typing:
sudo apt-get install xdg-utils
$ sudo apt-get install xdg-utils
Reading package lists... Done
Building dependency tree
Reading state information... Done
xdg-utils is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 89 not upgraded.
$ whereis xdg-open
xdg-open: /usr/bin/xdg-open /usr/bin/X11/xdg-open /usr/share/man/man1/xdg-open.1.gz
$ which xdg-open
$ xdg-open
The program 'xdg-open' is currently not installed. You can install it by typing:
sudo apt-get …
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