There are many alternatives to GNOME Commander for Linux if you are looking for a replacement. The best Linux alternative is Double Commander, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to GNOME Commander and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to GNOME Commander are Midnight Commander (Free, Open Source), Dolphin File Manager (Free, Open Source), Files (Free, Open Source) and Thunar (Free, Open Source).
Dolphin is a file manager for KDE focusing on usability. Has three view modes: Icon, Detail and it used to have Column View like in Finder (it is not available in current version due to problems with maintaibility). Supports FTP, SCP and other protocols. Highly configurable.
Thunar is a new modern file manager for the Xfce Desktop Environment. Thunar has been designed from the ground up to be fast and easy-to-use. Its user interface is clean and intuitive, and does not include any confusing or useless options.
ranger is a file manager with VI key bindings. It provides a minimalistic and nice curses interface with a view on the directory hierarchy. The secondary task of ranger is to psychically guess which program you want to use for opening particular files.
SpaceFM is a multi-panel tabbed file and desktop manager for Linux with built-in VFS, udev- or HAL-based device manager, customisable menu system, and bash integration. SpaceFM aims to provide a stable, capable file manager with significant customisation capabilities.