X Northern Captain (XNC) is a file manager for X Window system.
XNC has the same ideology as Norton Commander but also many additional and specific functions including a Virtual File System (VFS) with support for tar, zip, rar, rpm, deb, bzip2, and lha archives, FTP support, built-in terminal, viewer for JPEG, GIF, BMP, TGA, XPM, and XBM formats, an editor, users menu, extensions association, bookmarks for frequently used directories, and more.

• Two panels with highlighted directory listings give You simple and easy way to manipulate files on Your system. 
• Built in xterminal window for executing shell commands.
• Bookmark feature allow You to remember Hot Directories and quick changing to it. 
• Virtual File System can manipulate files in popular archive formats and over FTP connection as easy as with files on normal Disk file system (DFS).
• Wide variety of file operations:
• Browse directories on disks, archives and FTP sessions
• Copy/Move files from virtual file system
• Delete files and directories recursively
• View files in text/binary modes or as images
• Edit text files in built in or external editor
• Execute files from any type of file system
• Change attributes of files
• Change owner of files
• Create archives
• File, directory and system information
• and more.. (see details page for complete list)
• User defined file associations with your favorite applications
• Configurable user menu for often using commands.
• XDnd v3 - drag and drop protocol for mouse fans, that allow dragging files between xnc and many other popular applications like GNOME and KDE app's.
• Free way for defining your own hot keys to xnc commands via xncsetup tool.
• Skin plug ins and color changing schema allows xnc to be configurable as you wish
• Many other configurable feature are accessible in xnc configuration window.

XNC is written in C++ and ported to many unix platforms, so you can use it on your favorite OS.