The increasing popularity of NixOS can be attributed to several factors that make it stand out among other Linux distributions. Some of the key reasons why people are switching to NixOS include:

1. Reproducibility: NixOS allows for reproducible builds and deployments, ensuring that the same code will produce the same output across different environments[1][2].

2. Easy rollbacks: NixOS has built-in rollbacks, which means that if a configuration change causes the system to be unbootable, it is easy to roll back to a previous working install[1][3].

3. Nix package manager: NixOS uses the Nix package manager, which simplifies package management and system configuration[1].

4. Multiple versions of the same package: NixOS allows users to have multiple versions of the same package installed, which can be useful for testing and development purposes[1].

5. Stability: NixOS is considered a very stable platform compared to other Linux distributions, such as Arch Linux[3].

6. Declarative configuration: NixOS uses a declarative configuration approach, which offers benefits over the imperative approach used by more traditional operating systems[4].

In addition to these features, the recent introduction of the open-source platform flox has made it easier for developers and enterprises to adopt NixOS. Flox expands on Nix’s unique approach to package management and system configuration, providing convenience, collaboration, and control throughout the Systems Development Life Cycle (SDLC) [5]. This has led to an increase in the adoption of NixOS among developers and enterprises.

Overall, NixOS offers a combination of stability, reproducibility, and flexibility that appeals to developers and users who want a reliable and customizable Linux distribution.

Citations:

[1] https://itsfoss.com/why-use-nixos/

[2] https://techcrunch.com/2023/02/07/flox-raises-27m-to-bring-nix-to-more-developers/

[3] https://ramsdenj.com/2017/06/19/switching-to-nixos-from-arch-linux.html

[4] https://www.anthes.is/nixos-pros-cons.html

[5] https://finance.yahoo.com/news/flox-raises-27-million-introduces-140100442.html