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nixos/doc/manual: Rework nixos-state.section.md

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nicoo 2023-12-12 11:33:47 +00:00
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nixos/doc/manual/administration/nixos-state.section.md
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# NixOS {#sec-nixos-state} # NixOS {#sec-nixos-state}
NixOS itself obviously needs `/nix` to be persistent, so the system environment ## `/nix` {#sec-state-nix}
can be linked from the nix store during activation.
Moreover, `/boot` should also be persistent, as it contains the kernel, initrd, NixOS needs the entirety of `/nix` to be persistent, as it includes:
and the command-line determining the system environment's path in the nix store. - `/nix/store`, which contains all the system's executables, libraries, and supporting data;
- `/nix/var/nix`, which contains:
- the Nix daemon's database;
- roots whose transitive closure is preserved when garbage-collecting the Nix store;
- system-wide and per-user profiles.
## `/boot` {#sec-state-boot}
`/boot` should also be persistent, as it contains:
- the kernel and initrd which the bootloader loads,
- the bootloader's configuration, including the kernel's command-line which
determines the store path to use as system environment.
## Users and groups {#sec-state-users} ## Users and groups {#sec-state-users}