.P
"
```
.P
It is \fInot\fR the path to a key file (and there is no "keyfile" option)\.
.SS legacy\-bundling
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Causes npm to install the package such that versions of npm prior to 1\.4,
such as the one included with node 0\.8, can install the package\.  This
eliminates all automatic deduping\. If used with \fBglobal\-style\fP this option
will be preferred\.
.SS link
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If true, then local installs will link if there is a suitable globally
installed package\.
.P
Note that this means that local installs can cause things to be
installed into the global space at the same time\.  The link is only done
if one of the two conditions are met:
.RS 0
.IP \(bu 2
The package is not already installed globally, or
.IP \(bu 2
the globally installed version is identical to the version that is
being installed locally\.

.RE
.SS local\-address
.RS 0
.IP \(bu 2
Default: undefined
.IP \(bu 2
Type: IP Address

.RE
.P
The IP address of the local interface to use when making connections
to the npm registry\.  Must be IPv4 in versions of Node prior to 0\.12\.
.SS loglevel
.RS 0
.IP \(bu 2
Default: "notice"
.IP \(bu 2
Type: String
.IP \(bu 2
Values: "silent", "error", "warn", "notice", "http", "timing", "info",
"verbose", "silly"

.RE
.P
What level of logs to report\.  On failure, \fIall\fR logs are written to
\fBnpm\-debug\.log\fP in the current working directory\.
.P
Any logs of a higher level than the setting are shown\. The default is "notice"\.
.SS logstream
.RS 0
.IP \(bu 2
Default: process\.stderr
.IP \(bu 2
Type: Stream

.RE
.P
This is the stream that is passed to the
npmlog \fIhttps://github\.com/npm/npmlog\fR module at run time\.
.P
It cannot be set from the command line, but if you are using npm
programmatically, you may wish to send logs to somewhere other than
stderr\.
.P
If the \fBcolor\fP config is set to true, then this stream will receive
colored output if it is a TTY\.
.SS logs\-max
.RS 0
.IP \(bu 2
Default: 10
.IP \(bu 2
Type: Number

.RE
.P
The maximum number of log files to store\.
.SS long
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Show extended information in \fBnpm ls\fP and \fBnpm search\fP\|\.
.SS maxsockets
.RS 0
.IP \(bu 2
Default: 50
.IP \(bu 2
Type: Number

.RE
.P
The maximum number of connections to use per origin (protocol/host/port
combination)\. Passed to the \fBhttp\fP \fBAgent\fP used to make the request\.
.SS message
.RS 0
.IP \(bu 2
Default: "%s"
.IP \(bu 2
Type: String

.RE
.P
Commit message which is used by \fBnpm version\fP when creating version commit\.
.P
Any "%s" in the message will be replaced with the version number\.
.SS metrics\-registry
.RS 0
.IP \(bu 2
Default: The value of  \fBregistry\fP (which defaults to "https://registry\.npmjs\.org/")
.IP \(bu 2
Type: String

.RE
.P
The registry you want to send cli metrics to if \fBsend\-metrics\fP is true\.
.SS node\-options
.RS 0
.IP \(bu 2
Default: null
.IP \(bu 2
Type: String

.RE
.P
Options to pass through to Node\.js via the \fBNODE_OPTIONS\fP environment
variable\.  This does not impact how npm itself is executed but it does
impact how lifecycle scripts are called\.
.SS node\-version
.RS 0
.IP \(bu 2
Default: process\.version
.IP \(bu 2
Type: semver or false

.RE
.P
The node version to use when checking a package's \fBengines\fP map\.
.SS noproxy
.RS 0
.IP \(bu 2
Default: null
.IP \(bu 2
Type: String or Array

.RE
.P
A comma\-separated string or an array of domain extensions that a proxy should not be used for\.
.SS offline
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Force offline mode: no network requests will be done during install\. To allow
the CLI to fill in missing cache data, see \fB\-\-prefer\-offline\fP\|\.
.SS onload\-script
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: path

.RE
.P
A node module to \fBrequire()\fP when npm loads\.  Useful for programmatic
usage\.
.SS only
.RS 0
.IP \(bu 2
Default: null
.IP \(bu 2
Type: String

.RE
.P
When "dev" or "development" and running local \fBnpm install\fP without any
arguments, only devDependencies (and their dependencies) are installed\.
.P
When "dev" or "development" and running local \fBnpm ls\fP, \fBnpm outdated\fP, or
\fBnpm update\fP, is an alias for \fB\-\-dev\fP\|\.
.P
When "prod" or "production" and running local \fBnpm install\fP without any
arguments, only non\-devDependencies (and their dependencies) are
installed\.
.P
When "prod" or "production" and running local \fBnpm ls\fP, \fBnpm outdated\fP, or
\fBnpm update\fP, is an alias for \fB\-\-production\fP\|\.
.SS optional
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Attempt to install packages in the \fBoptionalDependencies\fP object\.  Note
that if these packages fail to install, the overall installation
process is not aborted\.
.SS otp
.RS 0
.IP \(bu 2
Default: null
.IP \(bu 2
Type: Number

.RE
.P
This is a one\-time password from a two\-factor authenticator\.  It's needed
when publishing or changing package permissions with \fBnpm access\fP\|\.
.SS package\-lock
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
If set to false, then ignore \fBpackage\-lock\.json\fP files when installing\. This
will also prevent \fIwriting\fR \fBpackage\-lock\.json\fP if \fBsave\fP is true\.
.P
When package package\-locks are disabled, automatic pruning of extraneous
modules will also be disabled\.  To remove extraneous modules with
package\-locks disabled use \fBnpm prune\fP\|\.
.P
This option is an alias for \fB\-\-shrinkwrap\fP\|\.
.SS package\-lock\-only
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If set to true, it will update only the \fBpackage\-lock\.json\fP,
instead of checking \fBnode_modules\fP and downloading dependencies\.
.SS parseable
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Output parseable results from commands that write to
standard output\. For \fBnpm search\fP, this will be tab\-separated table format\.
.SS prefer\-offline
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If true, staleness checks for cached data will be bypassed, but missing data
will be requested from the server\. To force full offline mode, use \fB\-\-offline\fP\|\.
.P
This option is effectively equivalent to \fB\-\-cache\-min=9999999\fP\|\.
.SS prefer\-online
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If true, staleness checks for cached data will be forced, making the CLI look
for updates immediately even for fresh package data\.
.SS prefix
.RS 0
.IP \(bu 2
Default: see npm help folders
.IP \(bu 2
Type: path

.RE
.P
The location to install global items\.  If set on the command line, then
it forces non\-global commands to run in the specified folder\.
.SS preid
.RS 0
.IP \(bu 2
Default: ""
.IP \(bu 2
Type: String

.RE
.P
The "prerelease identifier" to use as a prefix for the "prerelease" part of a
semver\. Like the \fBrc\fP in \fB1\.2\.0\-rc\.8\fP\|\.
.SS production
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Set to true to run in "production" mode\.
.RS 0
.IP 1. 3
devDependencies are not installed at the topmost level when running
local \fBnpm install\fP without any arguments\.
.IP 2. 3
Set the NODE_ENV="production" for lifecycle scripts\.

.RE
.SS progress
.RS 0
.IP \(bu 2
Default: true, unless TRAVIS or CI env vars set\.
.IP \(bu 2
Type: Boolean

.RE
.P
When set to \fBtrue\fP, npm will display a progress bar during time intensive
operations, if \fBprocess\.stderr\fP is a TTY\.
.P
Set to \fBfalse\fP to suppress the progress bar\.
.SS proxy
.RS 0
.IP \(bu 2
Default: null
.IP \(bu 2
Type: url

.RE
.P
A proxy to use for outgoing http requests\. If the \fBHTTP_PROXY\fP or
\fBhttp_proxy\fP environment variables are set, proxy settings will be
honored by the underlying \fBrequest\fP library\.
.SS read\-only
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
This is used to mark a token as unable to publish when configuring limited access tokens with the \fBnpm token create\fP command\.
.SS rebuild\-bundle
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Rebuild bundled dependencies after installation\.
.SS registry
.RS 0
.IP \(bu 2
Default: https://registry\.npmjs\.org/
.IP \(bu 2
Type: url

.RE
.P
The base URL of the npm package registry\.
.SS rollback
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Remove failed installs\.
.SS save
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Save installed packages to a package\.json file as dependencies\.
.P
When used with the \fBnpm rm\fP command, it removes it from the \fBdependencies\fP
object\.
.P
Only works if there is already a package\.json file present\.
.SS save\-bundle
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If a package would be saved at install time by the use of \fB\-\-save\fP,
\fB\-\-save\-dev\fP, or \fB\-\-save\-optional\fP, then also put it in the
\fBbundleDependencies\fP list\.
.P
When used with the \fBnpm rm\fP command, it removes it from the
bundledDependencies list\.
.SS save\-prod
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Makes sure that a package will be saved into \fBdependencies\fP specifically\. This
is useful if a package already exists in \fBdevDependencies\fP or
\fBoptionalDependencies\fP, but you want to move it to be a production dep\. This is
also the default behavior if \fB\-\-save\fP is true, and neither \fB\-\-save\-dev\fP or
\fB\-\-save\-optional\fP are true\.
.SS save\-dev
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Save installed packages to a package\.json file as \fBdevDependencies\fP\|\.
.P
When used with the \fBnpm rm\fP command, it removes it from the
\fBdevDependencies\fP object\.
.P
Only works if there is already a package\.json file present\.
.SS save\-exact
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Dependencies saved to package\.json using \fB\-\-save\fP, \fB\-\-save\-dev\fP or
\fB\-\-save\-optional\fP will be configured with an exact version rather than
using npm's default semver range operator\.
.SS save\-optional
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Save installed packages to a package\.json file as
optionalDependencies\.
.P
When used with the \fBnpm rm\fP command, it removes it from the
\fBdevDependencies\fP object\.
.P
Only works if there is already a package\.json file present\.
.SS save\-prefix
.RS 0
.IP \(bu 2
Default: '^'
.IP \(bu 2
Type: String

.RE
.P
Configure how versions of packages installed to a package\.json file via
\fB\-\-save\fP or \fB\-\-save\-dev\fP get prefixed\.
.P
For example if a package has version \fB1\.2\.3\fP, by default its version is
set to \fB^1\.2\.3\fP which allows minor upgrades for that package, but after
\fBnpm config set save\-prefix='~'\fP it would be set to \fB~1\.2\.3\fP which only allows
patch upgrades\.
.SS scope
.RS 0
.IP \(bu 2
Default: the scope of the current project, if any, or ""
.IP \(bu 2
Type: String

.RE
.P
Associate an operation with a scope for a scoped registry\. Useful when logging
in to a private registry for the first time:
\fBnpm login \-\-scope=@organization \-\-registry=registry\.organization\.com\fP, which
will cause \fB@organization\fP to be mapped to the registry for future installation
of packages specified according to the pattern \fB@organization/package\fP\|\.
.SS script\-shell
.RS 0
.IP \(bu 2
Default: \fBnull\fP
.IP \(bu 2
Type: path

.RE
.P
The shell to use for scripts run with the \fBnpm run\fP command\.
.SS scripts\-prepend\-node\-path
.RS 0
.IP \(bu 2
Default: "warn\-only"
.IP \(bu 2
Type: Boolean, \fB"auto"\fP or \fB"warn\-only"\fP

.RE
.P
If set to \fBtrue\fP, add the directory in which the current \fBnode\fP executable
resides to the \fBPATH\fP environment variable when running scripts,
even if that means that \fBnpm\fP will invoke a different \fBnode\fP executable than
the one which it is running\.
.P
If set to \fBfalse\fP, never modify \fBPATH\fP with that\.
.P
If set to \fB"warn\-only"\fP, never modify \fBPATH\fP but print a warning if \fBnpm\fP thinks
that you may want to run it with \fBtrue\fP, e\.g\. because the \fBnode\fP executable
in the \fBPATH\fP is not the one \fBnpm\fP was invoked with\.
.P
If set to \fBauto\fP, only add that directory to the \fBPATH\fP environment variable
if the \fBnode\fP executable with which \fBnpm\fP was invoked and the one that is found
first on the \fBPATH\fP are different\.
.SS searchexclude
.RS 0
.IP \(bu 2
Default: ""
.IP \(bu 2
Type: String

.RE
.P
Space\-separated options that limit the results from search\.
.SS searchopts
.RS 0
.IP \(bu 2
Default: ""
.IP \(bu 2
Type: String

.RE
.P
Space\-separated options that are always passed to search\.
.SS searchlimit
.RS 0
.IP \(bu 2
Default: 20
.IP \(bu 2
Type: Number

.RE
.P
Number of items to limit search results to\. Will not apply at all to legacy
searches\.
.SS searchstaleness
.RS 0
.IP \(bu 2
Default: 900 (15 minutes)
.IP \(bu 2
Type: Number

.RE
.P
The age of the cache, in seconds, before another registry request is made if
using legacy search endpoint\.
.SS send\-metrics
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If true, success/failure metrics will be reported to the registry stored in
\fBmetrics\-registry\fP\|\.  These requests contain the number of successful and
failing runs of the npm CLI and the time period overwhich those counts were
gathered\. No identifying information is included in these requests\.
.SS shell
.RS 0
.IP \(bu 2
Default: SHELL environment variable, or "bash" on Posix, or "cmd" on
Windows
.IP \(bu 2
Type: path

.RE
.P
The shell to run for the \fBnpm explore\fP command\.
.SS shrinkwrap
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
If set to false, then ignore \fBnpm\-shrinkwrap\.json\fP files when installing\. This
will also prevent \fIwriting\fR \fBnpm\-shrinkwrap\.json\fP if \fBsave\fP is true\.
.P
This option is an alias for \fB\-\-package\-lock\fP\|\.
.SS sign\-git\-commit
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If set to true, then the \fBnpm version\fP command will commit the new package
version using \fB\-S\fP to add a signature\.
.P
Note that git requires you to have set up GPG keys in your git configs
for this to work properly\.
.SS sign\-git\-tag
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
If set to true, then the \fBnpm version\fP command will tag the version
using \fB\-s\fP to add a signature\.
.P
Note that git requires you to have set up GPG keys in your git configs
for this to work properly\.
.SS sso\-poll\-frequency
.RS 0
.IP \(bu 2
Default: 500
.IP \(bu 2
Type: Number

.RE
.P
When used with SSO\-enabled \fBauth\-type\fPs, configures how regularly the registry
should be polled while the user is completing authentication\.
.SS sso\-type
.RS 0
.IP \(bu 2
Default: 'oauth'
.IP \(bu 2
Type: 'oauth', 'saml', or null

.RE
.P
If \fB\-\-auth\-type=sso\fP, the type of SSO type to use\.
.SS strict\-ssl
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Whether or not to do SSL key validation when making requests to the
registry via https\.
.P
See also the \fBca\fP config\.
.SS tag
.RS 0
.IP \(bu 2
Default: latest
.IP \(bu 2
Type: String

.RE
.P
If you ask npm to install a package and don't tell it a specific version, then
it will install the specified tag\.
.P
Also the tag that is added to the package@version specified by the \fBnpm
tag\fP command, if no explicit tag is given\.
.SS tag\-version\-prefix
.RS 0
.IP \(bu 2
Default: \fB"v"\fP
.IP \(bu 2
Type: String

.RE
.P
If set, alters the prefix used when tagging a new version when performing a
version increment using  \fBnpm\-version\fP\|\. To remove the prefix altogether, set it
to the empty string: \fB""\fP\|\.
.P
Because other tools may rely on the convention that npm version tags look like
\fBv1\.0\.0\fP, \fIonly use this property if it is absolutely necessary\fR\|\. In
particular, use care when overriding this setting for public packages\.
.SS timing
.RS 0
.IP \(bu 2
Default: \fBfalse\fP
.IP \(bu 2
Type: Boolean

.RE
.P
If true, writes an \fBnpm\-debug\fP log to \fB_logs\fP and timing information to
\fB_timing\.json\fP, both in your cache\.  \fB_timing\.json\fP is a newline delimited
list of JSON objects\.  You can quickly view it with this
json \fIhttps://www\.npmjs\.com/package/json\fR command line:
\fBjson \-g < ~/\.npm/_timing\.json\fP\|\.
.SS tmp
.RS 0
.IP \(bu 2
Default: TMPDIR environment variable, or "/tmp"
.IP \(bu 2
Type: path

.RE
.P
Where to store temporary files and folders\.  All temp files are deleted
on success, but left behind on failure for forensic purposes\.
.SS unicode
.RS 0
.IP \(bu 2
Default: false on windows, true on mac/unix systems with a unicode locale
.IP \(bu 2
Type: Boolean

.RE
.P
When set to true, npm uses unicode characters in the tree output\.  When
false, it uses ascii characters to draw trees\.
.SS unsafe\-perm
.RS 0
.IP \(bu 2
Default: false if running as root, true otherwise
.IP \(bu 2
Type: Boolean

.RE
.P
Set to true to suppress the UID/GID switching when running package
scripts\.  If set explicitly to false, then installing as a non\-root user
will fail\.
.SS update\-notifier
.RS 0
.IP \(bu 2
Default: true
.IP \(bu 2
Type: Boolean

.RE
.P
Set to false to suppress the update notification when using an older
version of npm than the latest\.
.SS usage
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: Boolean

.RE
.P
Set to show short usage output (like the \-H output)
instead of complete help when doing npm help \fBhelp\fP\|\.
.SS user
.RS 0
.IP \(bu 2
Default: "nobody"
.IP \(bu 2
Type: String or Number

.RE
.P
The UID to set to when running package scripts as root\.
.SS userconfig
.RS 0
.IP \(bu 2
Default: ~/\.npmrc
.IP \(bu 2
Type: path

.RE
.P
The location of user\-level configuration settings\.
.SS umask
.RS 0
.IP \(bu 2
Default: 022
.IP \(bu 2
Type: Octal numeric string in range 0000\.\.0777 (0\.\.511)

.RE
.P
The "umask" value to use when setting the file creation mode on files
and folders\.
.P
Folders and executables are given a mode which is \fB0777\fP masked against
this value\.  Other files are given a mode which is \fB0666\fP masked against
this value\.  Thus, the defaults are \fB0755\fP and \fB0644\fP respectively\.
.SS user\-agent
.RS 0
.IP \(bu 2
Default: node/{process\.version} {process\.platform} {process\.arch}
.IP \(bu 2
Type: String

.RE
.P
Sets a User\-Agent to the request header
.SS version
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: boolean

.RE
.P
If true, output the npm version and exit successfully\.
.P
Only relevant when specified explicitly on the command line\.
.SS versions
.RS 0
.IP \(bu 2
Default: false
.IP \(bu 2
Type: boolean

.RE
.P
If true, output the npm version as well as node's \fBprocess\.versions\fP map, and
exit successfully\.
.P
Only relevant when specified explicitly on the command line\.
.SS viewer
.RS 0
.IP \(bu 2
Default: "man" on Posix, "browser" on Windows
.IP \(bu 2
Type: path

.RE
.P
The program to use to view help content\.
.P
Set to \fB"browser"\fP to view html help content in the default web browser\.
.SS See also
.RS 0
.IP \(bu 2
npm help config
.IP \(bu 2
npm help npmrc
.IP \(bu 2
npm help scripts
.IP \(bu 2
npm help folders
.IP \(bu 2
npm help npm

.RE