Swap, ZRAM, Zswap and Hibernate on NixOS

The article discusses how to configure Swap, ZRAM, Zswap, and Hibernate on NixOS, a Linux distribution, to improve system performance and efficiency. The author provides step-by-step instructions and code examples for setting up these features, including configuring ZRAM to use available RAM as a compressed swap space, enabling Zswap to compress data in RAM, and configuring Hibernate to save system state to disk. The author also notes that these configurations can help improve system performance, especially on low-RAM systems.