Ron Johnson wrote:
Unfortunately, I can't determine it's package using the usual tool: $ dpkg -S /usr/bin/[ dpkg: /usr/bin/[ not found.$ dpkg -S "/usr/bin/["dpkg: /usr/bin/[ not found.$ dpkg -S '/usr/bin/['dpkg: /usr/bin/[ not found.
$ dpkg -S '/usr/bin/\[' coreutils: /usr/bin/[ Must admit I never knew it was a separate binary. G