> Two questions: > 1. What's good about GNU libc? > 2. Whose libc is libc5? LIBC5 is GNU libc with substantial patches for Linux. LIBC6 is GNU libc with the Linux support merged back in to the main source thread. GNU calls these LIBC 1 and 2. We call it LIBC6 on Linux because our version numbers didn't follow the GNU ones. All Linux distributions will go to LIBC6. There are no hold-outs that I know of. Bruce