doublecmd-gtk software package provides twin-panel (commander-style) file manager (GTK2), you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install doublecmd-gtk
doublecmd-gtk is installed in your system.
Make ensure the doublecmd-gtk package were installed using the commands given below,
$ sudo dpkg-query -l | grep doublecmd-gtk *
You will get with doublecmd-gtk package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | doublecmd-gtk |
| Version | 0.7.5-1 |
| Description | twin-panel (commander-style) file manager (GTK2) |
| Sub Section | Utils |