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
- 
Show help about
nixin general:# nix help - 
Show help about a particular subcommand:
# nix help flake info 
Options
Logging-related options
- 
Set the logging verbosity level to 'debug'.
 - 
--log-formatformatSet the format of log output; one of
raw,internal-json,barorbar-with-logs. - 
--print-build-logs/-LPrint full build logs on standard error.
 - 
Decrease the logging verbosity level.
 - 
--verbose/-vIncrease the logging verbosity level.
 
Miscellaneous global options
- 
Show usage information.
 - 
Disable substituters and consider all previously downloaded files up-to-date.
 - 
--optionname valueSet the Nix configuration setting name to value (overriding
nix.conf). - 
Consider all previously downloaded files out-of-date.
 - 
Show version information.
 
Note
See
man nix.conffor overriding configuration settings with command line flags.