1. 1. Introduction
2. 2. Quick Start
3. 3. Installation
4. 1. 3.1. Installing Nix from Source
   2. 1. 3.1.1. Prerequisites
      2. 3.1.2. Obtaining a Source Distribution
      3. 3.1.3. Building Nix from Source
   3. 3.2. Using Nix within Docker
   4. 3.3. Security
   5. 3.4. Upgrading Nix
   6. 3.5. Uninstalling Nix
5. 4. Nix Store
6. 1. 4.1. File System Object
   2. 1. 4.1.1. Content-Addressing File System Objects
   3. 4.2. Store Object
   4. 1. 4.2.1. Content-Addressing Store Objects
   5. 4.3. Store Path
   6. 4.4. Store Derivation and Deriving Path
   7. 1. 4.4.1. Derivation Outputs and Types of Derivations
      2. 1. 4.4.1.1. Content-addressing derivation outputs
         2. 4.4.1.2. Input-addressing derivation outputs
   8. 4.5. Build Trace
   9. 4.6. Derivation Resolution
   10. 4.7. Building
   11. 4.8. Secrets
   12. 4.9. Store Types
   13. 1. 4.9.1. Dummy Store
       2. 4.9.2. Experimental Local Overlay Store
       3. 4.9.3. Experimental SSH Store
       4. 4.9.4. Experimental SSH Store with filesystem mounted
       5. 4.9.5. HTTP Binary Cache Store
       6. 4.9.6. Local Binary Cache Store
       7. 4.9.7. Local Daemon Store
       8. 4.9.8. Local Store
       9. 4.9.9. S3 Binary Cache Store
       10. 4.9.10. SSH Store
   14. 4.10. Appendix: Math notation
7. 5. Nix Language
8. 1. 5.1. Data Types
   2. 1. 5.1.1. String context
   3. 5.2. Syntax and semantics
   4. 1. 5.2.1. Evaluation
      2. 5.2.2. Variables
      3. 5.2.3. String literals
      4. 5.2.4. Identifiers
      5. 5.2.5. Scoping rules
      6. 5.2.6. String interpolation
      7. 5.2.7. Lookup path
   5. 5.3. Operators
   6. 5.4. Built-ins
   7. 1. 5.4.1. Derivations
      2. 1. 5.4.1.1. Advanced Attributes
         2. 5.4.1.2. Import From Derivation
9. 6. Package Management
10. 1. 6.1. Profiles
    2. 6.2. Garbage Collection
    3. 1. 6.2.1. Garbage Collector Roots
11. 7. Advanced Topics
12. 1. 7.1. Sharing Packages Between Machines
    2. 1. 7.1.1. Serving a Nix store via HTTP
       2. 7.1.2. Serving a Nix store via SSH
    3. 7.2. Remote Builds
    4. 7.3. Tuning Cores and Jobs
    5. 7.4. Verifying Build Reproducibility
    6. 7.5. Using the post-build-hook
    7. 7.6. Evaluation profiler
13. 8. Command Reference
14. 1. 8.1. Common Options
    2. 8.2. Common Environment Variables
    3. 8.3. Subcommands
    4. 1. 8.3.1. nix
       2. 8.3.2. nix build
       3. 8.3.3. nix bundle
       4. 8.3.4. nix config
       5. 8.3.5. nix config check
       6. 8.3.6. nix config show
       7. 8.3.7. nix copy
       8. 8.3.8. nix daemon
       9. 8.3.9. nix derivation
       10. 8.3.10. nix derivation add
       11. 8.3.11. nix derivation show
       12. 8.3.12. nix develop
       13. 8.3.13. nix edit
       14. 8.3.14. nix env
       15. 8.3.15. nix env shell
       16. 8.3.16. nix eval
       17. 8.3.17. nix flake
       18. 8.3.18. nix flake archive
       19. 8.3.19. nix flake check
       20. 8.3.20. nix flake clone
       21. 8.3.21. nix flake info
       22. 8.3.22. nix flake init
       23. 8.3.23. nix flake lock
       24. 8.3.24. nix flake metadata
       25. 8.3.25. nix flake new
       26. 8.3.26. nix flake prefetch
       27. 8.3.27. nix flake prefetch-inputs
       28. 8.3.28. nix flake show
       29. 8.3.29. nix flake update
       30. 8.3.30. nix fmt
       31. 8.3.31. nix formatter
       32. 8.3.32. nix formatter build
       33. 8.3.33. nix formatter run
       34. 8.3.34. nix hash
       35. 8.3.35. nix hash convert
       36. 8.3.36. nix hash file
       37. 8.3.37. nix hash path
       38. 8.3.38. nix hash to-base16
       39. 8.3.39. nix hash to-base32
       40. 8.3.40. nix hash to-base64
       41. 8.3.41. nix hash to-sri
       42. 8.3.42. nix help
       43. 8.3.43. nix help-stores
       44. 8.3.44. nix key
       45. 8.3.45. nix key convert-public-to-pem
       46. 8.3.46. nix key convert-secret-to-pem
       47. 8.3.47. nix key convert-secret-to-public
       48. 8.3.48. nix key generate-secret
       49. 8.3.49. nix log
       50. 8.3.50. nix nar
       51. 8.3.51. nix nar cat
       52. 8.3.52. nix nar dump-path
       53. 8.3.53. nix nar ls
       54. 8.3.54. nix nar pack
       55. 8.3.55. nix nario
       56. 8.3.56. nix nario export
       57. 8.3.57. nix nario import
       58. 8.3.58. nix nario list
       59. 8.3.59. nix path-info
       60. 8.3.60. nix print-dev-env
       61. 8.3.61. nix profile
       62. 8.3.62. nix profile add
       63. 8.3.63. nix profile diff-closures
       64. 8.3.64. nix profile history
       65. 8.3.65. nix profile list
       66. 8.3.66. nix profile remove
       67. 8.3.67. nix profile rollback
       68. 8.3.68. nix profile upgrade
       69. 8.3.69. nix profile wipe-history
       70. 8.3.70. nix provenance
       71. 8.3.71. nix provenance show
       72. 8.3.72. nix provenance verify
       73. 8.3.73. nix ps
       74. 8.3.74. nix realisation
       75. 8.3.75. nix realisation info
       76. 8.3.76. nix registry
       77. 8.3.77. nix registry add
       78. 8.3.78. nix registry list
       79. 8.3.79. nix registry pin
       80. 8.3.80. nix registry remove
       81. 8.3.81. nix registry resolve
       82. 8.3.82. nix repl
       83. 8.3.83. nix run
       84. 8.3.84. nix search
       85. 8.3.85. nix serve
       86. 8.3.86. nix store
       87. 8.3.87. nix store add
       88. 8.3.88. nix store add-file
       89. 8.3.89. nix store add-path
       90. 8.3.90. nix store cat
       91. 8.3.91. nix store copy-log
       92. 8.3.92. nix store copy-sigs
       93. 8.3.93. nix store delete
       94. 8.3.94. nix store diff-closures
       95. 8.3.95. nix store dump-path
       96. 8.3.96. nix store gc
       97. 8.3.97. nix store info
       98. 8.3.98. nix store ls
       99. 8.3.99. nix store make-content-addressed
       100. 8.3.100. nix store optimise
       101. 8.3.101. nix store path-from-hash-part
       102. 8.3.102. nix store prefetch-file
       103. 8.3.103. nix store repair
       104. 8.3.104. nix store roots-daemon
       105. 8.3.105. nix store sign
       106. 8.3.106. nix store verify
       107. 8.3.107. nix upgrade-nix
       108. 8.3.108. nix why-depends
    5. 8.4. Deprecated Commands
    6. 1. 8.4.1. nix-build
       2. 8.4.2. nix-channel
       3. 8.4.3. nix-shell
       4. 8.4.4. nix-store
       5. 1. 8.4.4.1. nix-store --add-fixed
          2. 8.4.4.2. nix-store --add
          3. 8.4.4.3. nix-store --delete
          4. 8.4.4.4. nix-store --dump-db
          5. 8.4.4.5. nix-store --dump
          6. 8.4.4.6. nix-store --export
          7. 8.4.4.7. nix-store --gc
          8. 8.4.4.8. nix-store --generate-binary-cache-key
          9. 8.4.4.9. nix-store --import
          10. 8.4.4.10. nix-store --load-db
          11. 8.4.4.11. nix-store --optimise
          12. 8.4.4.12. nix-store --print-env
          13. 8.4.4.13. nix-store --query
          14. 8.4.4.14. nix-store --read-log
          15. 8.4.4.15. nix-store --realise
          16. 8.4.4.16. nix-store --repair-path
          17. 8.4.4.17. nix-store --restore
          18. 8.4.4.18. nix-store --serve
          19. 8.4.4.19. nix-store --verify-path
          20. 8.4.4.20. nix-store --verify
       6. 8.4.5. nix-env
       7. 1. 8.4.5.1. nix-env --delete-generations
          2. 8.4.5.2. nix-env --install
          3. 8.4.5.3. nix-env --list-generations
          4. 8.4.5.4. nix-env --query
          5. 8.4.5.5. nix-env --rollback
          6. 8.4.5.6. nix-env --set-flag
          7. 8.4.5.7. nix-env --set
          8. 8.4.5.8. nix-env --switch-generation
          9. 8.4.5.9. nix-env --switch-profile
          10. 8.4.5.10. nix-env --uninstall
          11. 8.4.5.11. nix-env --upgrade
    7. 8.5. Utilities
    8. 1. 8.5.1. nix-collect-garbage
       2. 8.5.2. nix-copy-closure
       3. 8.5.3. nix-daemon
       4. 8.5.4. nix-hash
       5. 8.5.5. nix-instantiate
       6. 8.5.6. nix-prefetch-url
    9. 8.6. Files
    10. 1. 8.6.1. nix.conf
        2. 8.6.2. Profiles
        3. 1. 8.6.2.1. manifest.nix
           2. 8.6.2.2. manifest.json
15. 9. Architecture and Design
16. 10. Formats and Protocols
17. 1. 10.1. JSON Formats
    2. 1. 10.1.1. File System Object
       2. 10.1.2. Hash
       3. 10.1.3. Content Address
       4. 10.1.4. Store Path
       5. 10.1.5. Store Object Info
       6. 10.1.6. Derivation
       7. 1. 10.1.6.1. Derivation Options
       8. 10.1.7. Deriving Path
       9. 10.1.8. Build Trace Entry
       10. 10.1.9. Build Result
       11. 10.1.10. Store
    3. 10.2. Serving Tarball Flakes
    4. 10.3. Store Path Specification
    5. 10.4. Nix Archive (NAR) Format
    6. 10.5. Nix Cache Info Format
    7. 10.6. Derivation "ATerm" file format
    8. 10.7. Nix32 Encoding
    9. 10.8. builtins.wasm Host Interface
    10. 10.9. Flake Schemas
18. 11. C API
19. 12. Glossary
20. 13. Development
21. 1. 13.1. Building
    2. 13.2. Testing
    3. 13.3. Benchmarking
    4. 13.4. Debugging
    5. 13.5. Documentation
    6. 13.6. CLI guideline
    7. 13.7. JSON guideline
    8. 13.8. C++ style guide
    9. 13.9. Experimental Features
    10. 13.10. Contributing
22. 14. Determinate Nix Release Notes
23. 1. 14.1. Changes between Nix and Determinate Nix
    2. 14.2. Release 3.21.1 (2026-06-08)
    3. 14.3. Release 3.21.0 (2026-05-22)
    4. 14.4. Release 3.20.0 (2026-05-07)
    5. 14.5. Release 3.19.1 (2026-05-04)
    6. 14.6. Release 3.19.0 (2026-04-28)
    7. 14.7. Release 3.18.1 (2026-04-23)
    8. 14.8. Release 3.18.0 (2026-04-20)
    9. 14.9. Release 3.17.3 (2026-04-07)
    10. 14.10. Release 3.17.2 (2026-03-27)
    11. 14.11. Release 3.17.1 (2026-03-18)
    12. 14.12. Release 3.17.0 (2026-03-04)
    13. 14.13. Release 3.16.3 (2026-02-24)
    14. 14.14. Release 3.16.2 (2026-02-23)
    15. 14.15. Release 3.16.1 (2026-02-22)
    16. 14.16. Release 3.16.0 (2026-02-12)
    17. 14.17. Release 3.15.2 (2026-01-20)
    18. 14.18. Release 3.15.1 (2025-12-24)
    19. 14.19. Release 3.15.0 (2025-12-19)
    20. 14.20. Release 3.14.0 (2025-12-08)
    21. 14.21. Release 3.13.2 (2025-11-19)
    22. 14.22. Release 3.13.1 (2025-11-12)
    23. 14.23. Release 3.13.0 (2025-11-09)
    24. 14.24. Release 3.12.2 (2025-11-05)
    25. 14.25. Release 3.12.1 (2025-11-04)
    26. 14.26. Release 3.12.0 (2025-10-23)
    27. 14.27. Release 3.11.3 (2025-10-09)
    28. 14.28. Release 3.11.2 (2025-09-12)
    29. 14.29. Release 3.11.1 (2025-09-04)
    30. 14.30. Release 3.11.0 (2025-09-03)
    31. 14.31. Release 3.10.1 (2025-09-02)
    32. 14.32. Release 3.10.0 (2025-09-02)
    33. 14.33. Release 3.9.1 (2025-08-28)
    34. 14.34. Release 3.9.0 (2025-08-26)
    35. 14.35. Release 3.8.6 (2025-08-19)
    36. 14.36. Release 3.8.5 (2025-08-04)
    37. 14.37. Release 3.8.4 (2025-07-21)
    38. 14.38. Release 3.8.3 (2025-07-18)
    39. 14.39. Release 3.8.2 (2025-07-12)
    40. 14.40. Release 3.8.1 (2025-07-11)
    41. 14.41. Release 3.8.0 (2025-07-10)
    42. 14.42. Release 3.7.0 (2025-07-03)
    43. 14.43. Release 3.6.8 (2025-06-25)
    44. 14.44. Release 3.6.7 (2025-06-24)
    45. 14.45. Release 3.6.6 (2025-06-17)
    46. 14.46. Release 3.6.5 (2025-06-16)
    47. 14.47. Release 3.6.2 (2025-06-02)
    48. 14.48. Release 3.6.1 (2025-05-24)
    49. 14.49. Release 3.6.0 (2025-05-22)
    50. 14.50. Release 3.5.2 (2025-05-12)
    51. 14.51. Release 3.5.1 (2025-05-09)
    52. 14.52. ~~Release 3.5.0 (2025-05-09)~~
    53. 14.53. Release 3.4.2 (2025-05-05)
    54. 14.54. Release 3.4.0 (2025-04-25)
    55. 14.55. Release 3.3.0 (2025-04-11)
    56. 14.56. Release 3.1.0 (2025-03-27)
    57. 14.57. Release 3.0.0 (2025-03-04)
24. 15. Nix Release Notes
25. 1. 15.1. Upcoming release
    2. 15.2. Release 2.34 (2026-02-27)
    3. 15.3. Release 2.33 (2025-12-09)
    4. 15.4. Release 2.32 (2025-10-06)
    5. 15.5. Release 2.31 (2025-08-21)
    6. 15.6. Release 2.30 (2025-07-07)
    7. 15.7. Release 2.29 (2025-05-14)
    8. 15.8. Release 2.28 (2025-04-02)
    9. 15.9. Release 2.27 (2025-03-03)
    10. 15.10. Release 2.26 (2025-01-22)