This is the command what-source 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
what-source - determine what source package provides some binary package
what-source(1) is a simple program that determines what source package provides some
It's a simple wrapper for 'apt-cache(1) show | grep'.
$ what-source sl
Use what-source online using onworks.net services