gdlib-config(1) on Linux

The text 8b2c605ec3a5, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.

script to get information about the installed version of GD

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