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kupfer - Online in the Cloud

Run kupfer in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command kupfer that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



kupfer - Convenient command and access tool for applications and documents


kupfer [ OPTIONS | FILE ... ]
kupfer-exec FILE ...


Kupfer is an interface for quick and convenient access to applications and their

The most typical use is to find a specific application and launch it. We have tried to
make Kupfer easy to extend with plugins so that this quick-access paradigm can be extended
to many more objects than just applications.

kupfer-exec is a helper script that can execute commands saved to file, but only by
connecting to an already running instance of Kupfer.


Running kupfer on the command line (without options) will try to show the program it if
already running.

Kupfer can be invoked with a list of files
kupfer FILE ...

This can be used to select files given as command-line arguments in the program. Then you
can invoke actions even on objects from a shell-based context.

You may also pipe text to kupfer to pass it to a currently running instance of the


Launch without presenting main interface

Display a list of all installed plugins

Enable more verbose output that can help understanding the program's operation.

Is deprecated and will be started by the Multihead Support plugin when needed

Run plugin helper program, which should be the name of a module inside kupfer.

The following are generic options

--help Display usage information

Display version information


Custom plugins are added to kupfer by installing them to the directory
~/.local/share/kupfer/plugins, or any kupfer/plugins directory in any of $XDG_DATA_DIRS.


If KUPFER_NO_CUSTOM_PLUGINS is set, only allow loading built-in plugins (installed in the
program's python package).

If KUPFER_NO_CACHE is set, do not load from or write to any source cache files.

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