As you may know, Double Commander is an open-source two panel (placed side by side) file manager, similar to the good old Total Commander.

Main features:
- Support for Unicode
- The operations run in the background only
- Support for tabs
- The ZIP, TAR GZ, TGZ, LZMA and also BZ2, RPM, CPIO, DEB, RAR archive formats are treated as subdirectories, enabling the users to easily copy files to and from the archives
- Search function
The latest version available is Double Commander 0.7.1, which brings the below changes:
- [Language translation] Updated Slovenian translation
- [File operations] Error while Search Text in files (ALT+F7) if using UCS
- [Graphical user interface] Ukrainian translation of selected files count
- [Graphical user interface] GUI stops responding to mouse input after overriding file over ftp
- [Language translation] Translating the pop-up comment on the shortcut
- [Default] doublecmd.desktop “Categories” in group “Desktop Entry” contains a deprecated value “Application”
- [Language translation] updates greek translation, DC .7.0 beta compatibility
- [Language translation] german translation against 0.70 latest beta
- [Default] doublecmd FTBFS on arm64
- [File operations] Clicking on “Go to file” button when search in progress causes doublecmd crash
Installation instructions:
In order to successfully install doublecmd on Ubuntu, you have to add the PPA to your system, update the local repository index and install the needed package.
All you have to do is add the ppa to your system and update the local repository index:
$ sudo add-apt-repository ppa:alexx2000/doublecmd
$ sudo apt-get update
And install the doublecmd:
For GTK based desktop environments:
$ sudo apt-get install doublecmd-gtk
For Qt based desktop environments:
$ sudo apt-get install doublecmd-qt
The installation instructions should work on Ubuntu 16.04 Xenial Xerus, Ubuntu 15.10 Wily Werewolf, Ubuntu 14.04 Trusty Tahr, Linux Mint 17.x and Elementary OS 0.3 Freya.