ld

• 恢复误删的 /lib64 目录 <https://linuxgeeks.github.io/2018/01/20/164155-CentOS%E7%9A%84lib%E5%BA%93%E8%AF%AF%E6%93%8D%E4%BD%9C%E5%92%8C%E4%BF%AE%E5%A4%8D/>
• Using gold in the place of ld as a system linker on fedora <https://stackoverflow.com/questions/13321589/using-gold-in-the-place-of-ld-as-a-system-linker-on-fedora/25108753>