.\" -*- mode: troff; coding: utf-8 -*-
.TH "nix3-store-gc" "1" ""
.RS
.PP
\fBWarning\fR 
.br
This program is
.UR @docroot@/development/experimental-features.md#xp-feature-nix-command
\fBexperimental\fR
.UE
and its interface is subject to change.
.RE
.SH Name
.LP
\f(CRnix store gc\fR - perform garbage collection on a Nix store
.SH Synopsis
.LP
\f(CRnix store gc\fR [\fIoption\fR\[u2026]] 
.SH Examples
.IP "\(bu" 3
Delete unreachable paths in the Nix store:
.LP
.EX
# nix store gc
.EE
.IP "\(bu" 3
Delete up to 1 gigabyte of garbage:
.LP
.EX
# nix store gc --max 1G
.EE
.SH Description
.LP
This command deletes unreachable paths in the Nix store.
.SH Options
.IP "\(bu" 3
.UR #opt-dry-run
\f(CR--dry-run\fR
.UE
.IP
Show what this command would do without doing it.
.IP "\(bu" 3
.UR #opt-max
\f(CR--max\fR
.UE
\fIn\fR
.IP
Stop after freeing \fIn\fR bytes of disk space.
.SS
Logging-related options
.IP "\(bu" 3
.UR #opt-debug
\f(CR--debug\fR
.UE
.IP
Set the logging verbosity level to \(oqdebug\(cq.
.IP "\(bu" 3
.UR #opt-log-format
\f(CR--log-format\fR
.UE
\fIformat\fR
.IP
Set the format of log output; one of \f(CRraw\fR, \f(CRinternal-json\fR, \f(CRbar\fR or \f(CRbar-with-logs\fR.
.IP "\(bu" 3
.UR #opt-print-build-logs
\f(CR--print-build-logs\fR
.UE
/ \f(CR-L\fR
.IP
Print full build logs on standard error.
.IP "\(bu" 3
.UR #opt-quiet
\f(CR--quiet\fR
.UE
.IP
Decrease the logging verbosity level.
.IP "\(bu" 3
.UR #opt-verbose
\f(CR--verbose\fR
.UE
/ \f(CR-v\fR
.IP
Increase the logging verbosity level.
.SS
Miscellaneous global options
.IP "\(bu" 3
.UR #opt-help
\f(CR--help\fR
.UE
.IP
Show usage information.
.IP "\(bu" 3
.UR #opt-offline
\f(CR--offline\fR
.UE
.IP
Disable substituters and consider all previously downloaded files up-to-date.
.IP "\(bu" 3
.UR #opt-option
\f(CR--option\fR
.UE
\fIname\fR \fIvalue\fR
.IP
Set the Nix configuration setting \fIname\fR to \fIvalue\fR (overriding \f(CRnix.conf\fR).
.IP "\(bu" 3
.UR #opt-refresh
\f(CR--refresh\fR
.UE
.IP
Consider all previously downloaded files out-of-date.
.IP "\(bu" 3
.UR #opt-version
\f(CR--version\fR
.UE
.IP
Show version information.
.RS
.LP
\fBNote\fR
.PP
See \c
.UR @docroot@/command-ref/conf-file.md#command-line-flags
\f(CRman nix.conf\fR
.UE
for overriding configuration settings with command line flags.
.RE