nix3-help(1)                General Commands Manual               nix3-help(1)


              Warning
              This program is experimental and its interface is subject to
              change.

Name
       nix help - show help about nix or a particular subcommand

Synopsis
       nix help [option<?>] subcommand<?>

Examples
       o  Show help about nix in general:

       # nix help

       o  Show help about a particular subcommand:

         # nix help flake info

Options
   Logging-related options
       o  --debug

          Set the logging verbosity level to `debug'.

       o  --log-format format

          Set the format of log output; one of raw, internal-json, bar or
          bar-with-logs.

       o  --print-build-logs / -L

          Print full build logs on standard error.

       o  --quiet

          Decrease the logging verbosity level.

       o  --verbose / -v

          Increase the logging verbosity level.

   Miscellaneous global options
       o  --help

          Show usage information.

       o  --offline

          Disable substituters and consider all previously downloaded files
          up-to-date.

       o  --option name value

          Set the Nix configuration setting name to value (overriding
          nix.conf).

       o  --refresh

          Consider all previously downloaded files out-of-date.

       o  --version

          Show version information.

          Note

          See man nix.conf for overriding configuration settings with command
          line flags.

                                                                  nix3-help(1)