So, as the other answerers said column belongs in the bsdmainutils package whose source and particularly debian patches you can explore through sources.debian.n

So, as the other answerers said column belongs in the bsdmainutils package whose source and particularly debian patches you can explore through sources.debian.net. The patch you are looking for is probably http://sources.debian.net/src/bsdmainutils/9.0.5/debian/patches/column_nomerge.diff http://sources.debian.net/src/bsdmainutils/9.0.5/debian/patc...