{ fileSystems."/" = { device = "/dev/disk/by-uuid/3d80a86b-3268-4209-a833-b531b8bc0ebc"; fsType = "ext4"; }; fileSystems."/boot" = { device = "/dev/disk/by-uuid/45A4-2E5B"; fsType = "vfat"; options = ["fmask=0022" "dmask=0022"]; }; zramSwap = { enable = true; priority = 100; algorithm = "lz4"; memoryPercent = 50; }; }