A recent trip to the supermarket left me wondering if I were missing a nutritional trick. In the chilled cabinets were yogurts, puddings and shakes with the words ‘high protein’ emblazoned across them ...

Symbolic links are a great way to organize your files, but they’re not perfect. Symlinks are pretty fragile, and it’s easy to end up with links that point to non-existent files. The find program can ...