My thoughts and impression on functional package managers and operating systems based on those PMs. That's mean NixOS and Guix System will be discussed and compared too.

0:00 Technical difficulties
1:10 Introduction, Functional package managers and OSes
7:10 Proprietary Software
10:30 Other operating system you can install those PMs
12:30 # of packages, main repositories
19:00 Documentation
22:30 Nix inconsistency
29:00 Service managers
33:30 Package build scripts
35:30 Version pinning
40:00 Consistency
40:45 Bootstrapping
43:20 NixOS modules
49:00 Conclusion

Org file with comparison table and notes:
https://gist.github.com/abcdw/e54807b0a25e61fe2cf1bf8991410f83

Repository with configs:
https://github.com/abcdw/rde