doc: use command-line/command line consistently

Docs switch between "command line" and "command-line" with no apparent
uniformity. Microsoft Style Guide prescribes "command line" as a noun
and "command-line" as a modifier, which makes a lot of sense to me.
Updating docs as appropriate.

PR-URL: #35198
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

doc/api/buffer.md

@@ -3229,12 +3229,12 @@ if `size` is less than or equal to half [`Buffer.poolSize`][]. Instances
 returned by [`Buffer.allocUnsafeSlow()`][] *never* use the shared internal
 memory pool.
 
-### The `--zero-fill-buffers` command line option
+### The `--zero-fill-buffers` command-line option
 <!-- YAML
 added: v5.10.0
 -->
 
-Node.js can be started using the `--zero-fill-buffers` command line option to
+Node.js can be started using the `--zero-fill-buffers` command-line option to
 cause all newly-allocated `Buffer` instances to be zero-filled upon creation by
 default. Without the option, buffers created with [`Buffer.allocUnsafe()`][],
 [`Buffer.allocUnsafeSlow()`][], and `new SlowBuffer(size)` are not zero-filled.

doc/api/child_process.md

@@ -449,7 +449,7 @@ changes:
 * Returns: {ChildProcess}
 
 The `child_process.spawn()` method spawns a new process using the given
-`command`, with command line arguments in `args`. If omitted, `args` defaults
+`command`, with command-line arguments in `args`. If omitted, `args` defaults
 to an empty array.
 
 **If the `shell` option is enabled, do not pass unsanitized user input to this
@@ -1398,7 +1398,7 @@ the child process if any, else `null`.
 
 * {Array}
 
-The `subprocess.spawnargs` property represents the full list of command line
+The `subprocess.spawnargs` property represents the full list of command-line
 arguments the child process was launched with.
 
 ### `subprocess.spawnfile`
@@ -1547,7 +1547,7 @@ to `stdout` although there are only 4 characters.
 ## Shell requirements
 
 The shell should understand the `-c` switch. If the shell is `'cmd.exe'`, it
-should understand the `/d /s /c` switches and command line parsing should be
+should understand the `/d /s /c` switches and command-line parsing should be
 compatible.
 
 ## Default Windows shell

doc/api/cli.md

@@ -1,4 +1,4 @@
-# Command line options
+# Command-line options
 
 <!--introduced_in=v5.9.1-->
 <!--type=misc-->
@@ -43,7 +43,7 @@ environment variable.
 added: v8.0.0
 -->
 
-Alias for stdin. Analogous to the use of `-` in other command line utilities,
+Alias for stdin. Analogous to the use of `-` in other command-line utilities,
 meaning that the script is read from stdin, and the rest of the options
 are passed to that script.
 
@@ -128,7 +128,7 @@ Specify the directory where the CPU profiles generated by `--cpu-prof` will
 be placed.
 
 The default value is controlled by the
-[--diagnostic-dir](#cli_diagnostic_dir_directory) command line option.
+[--diagnostic-dir](#cli_diagnostic_dir_directory) command-line option.
 
 ### `--cpu-prof-interval`
 <!-- YAML
@@ -369,7 +369,7 @@ Specify the directory where the heap profiles generated by `--heap-prof` will
 be placed.
 
 The default value is controlled by the
-[--diagnostic-dir](#cli_diagnostic_dir_directory) command line option.
+[--diagnostic-dir](#cli_diagnostic_dir_directory) command-line option.
 
 ### `--heap-prof-interval`
 <!-- YAML
@@ -548,7 +548,7 @@ Emit pending deprecation warnings.
 
 Pending deprecations are generally identical to a runtime deprecation with the
 notable exception that they are turned *off* by default and will not be emitted
-unless either the `--pending-deprecation` command line flag, or the
+unless either the `--pending-deprecation` command-line flag, or the
 `NODE_PENDING_DEPRECATION=1` environment variable, is set. Pending deprecations
 are used to provide a kind of selective "early warning" mechanism that
 developers may leverage to detect deprecated API usage.
@@ -594,7 +594,7 @@ be thrown if `moduleA` attempts to require `moduleB` as a peer dependency:
      └── package.json
 ```
 
-The `--preserve-symlinks` command line flag instructs Node.js to use the
+The `--preserve-symlinks` command-line flag instructs Node.js to use the
 symlink path for modules as opposed to the real path, allowing symbolically
 linked peer dependencies to be found.
 
@@ -653,7 +653,7 @@ warning will be written to stderr instead.
 
 The `file` name may be an absolute path. If it is not, the default directory it
 will be written to is controlled by the
-[--diagnostic-dir](#cli_diagnostic_dir_directory) command line option.
+[--diagnostic-dir](#cli_diagnostic_dir_directory) command-line option.
 
 ### `--report-compact`
 <!-- YAML
@@ -1033,7 +1033,7 @@ The following values are valid for `mode`:
 added: v0.1.3
 -->
 
-Print V8 command line options.
+Print V8 command-line options.
 
 ### `--v8-pool-size=num`
 <!-- YAML
@@ -1090,7 +1090,7 @@ and `"` are usable.
 added: v0.1.3
 -->
 
-Print node command line options.
+Print node command-line options.
 The output of this option is less detailed than this document.
 
 ### `-i`, `--interactive`
@@ -1185,8 +1185,8 @@ When set to `1`, process warnings are silenced.
 added: v8.0.0
 -->
 
-A space-separated list of command line options. `options...` are interpreted
-before command line options, so command line options will override or
+A space-separated list of command-line options. `options...` are interpreted
+before command-line options, so command-line options will override or
 compound after anything in `options...`. Node.js will exit with an error if
 an option that is not allowed in the environment is used, such as `-p` or a
 script file.
@@ -1197,7 +1197,7 @@ If an option value contains a space, it can be escaped using double quotes:
 NODE_OPTIONS='--require "./my path/file.js"'
 ```
 
-A singleton flag passed as a command line option will override the same flag
+A singleton flag passed as a command-line option will override the same flag
 passed into `NODE_OPTIONS`:
 
 ```bash
@@ -1206,7 +1206,7 @@ NODE_OPTIONS='--inspect=localhost:4444' node --inspect=localhost:5555
 ```
 
 A flag that can be passed multiple times will be treated as if its
-`NODE_OPTIONS` instances were passed first, and then its command line
+`NODE_OPTIONS` instances were passed first, and then its command-line
 instances afterwards:
 
 ```bash
@@ -1331,7 +1331,7 @@ When set to `1`, emit pending deprecation warnings.
 
 Pending deprecations are generally identical to a runtime deprecation with the
 notable exception that they are turned *off* by default and will not be emitted
-unless either the `--pending-deprecation` command line flag, or the
+unless either the `--pending-deprecation` command-line flag, or the
 `NODE_PENDING_DEPRECATION=1` environment variable, is set. Pending deprecations
 are used to provide a kind of selective "early warning" mechanism that
 developers may leverage to detect deprecated API usage.
@@ -1479,7 +1479,7 @@ Load an OpenSSL configuration file on startup. Among other uses, this can be
 used to enable FIPS-compliant crypto if Node.js is built with `./configure
 --openssl-fips`.
 
-If the [`--openssl-config`][] command line option is used, the environment
+If the [`--openssl-config`][] command-line option is used, the environment
 variable is ignored.
 
 ### `SSL_CERT_DIR=dir`

doc/api/events.md

@@ -355,7 +355,7 @@ emitter.once('event', () => {
 });
 ```
 
-The [`--trace-warnings`][] command line flag can be used to display the
+The [`--trace-warnings`][] command-line flag can be used to display the
 stack trace for such warnings.
 
 The emitted warning can be inspected with [`process.on('warning')`][] and will

doc/api/index.md

@@ -18,7 +18,7 @@
 * [C++ embedder API](embedding.html)
 * [Child processes](child_process.html)
 * [Cluster](cluster.html)
-* [Command line options](cli.html)
+* [Command-line options](cli.html)
 * [Console](console.html)
 * [Crypto](crypto.html)
 * [Debugger](debugger.html)

doc/api/process.md

@@ -440,16 +440,16 @@ $ node --no-warnings
 The `--trace-warnings` command-line option can be used to have the default
 console output for warnings include the full stack trace of the warning.
 
-Launching Node.js using the `--throw-deprecation` command line flag will
+Launching Node.js using the `--throw-deprecation` command-line flag will
 cause custom deprecation warnings to be thrown as exceptions.
 
-Using the `--trace-deprecation` command line flag will cause the custom
+Using the `--trace-deprecation` command-line flag will cause the custom
 deprecation to be printed to `stderr` along with the stack trace.
 
-Using the `--no-deprecation` command line flag will suppress all reporting
+Using the `--no-deprecation` command-line flag will suppress all reporting
 of the custom deprecation.
 
-The `*-deprecation` command line flags only affect warnings that use the name
+The `*-deprecation` command-line flags only affect warnings that use the name
 `'DeprecationWarning'`.
 
 #### Emitting custom warnings
@@ -616,11 +616,11 @@ added: v0.1.27
 
 * {string[]}
 
-The `process.argv` property returns an array containing the command line
+The `process.argv` property returns an array containing the command-line
 arguments passed when the Node.js process was launched. The first element will
 be [`process.execPath`][]. See `process.argv0` if access to the original value
 of `argv[0]` is needed. The second element will be the path to the JavaScript
-file being executed. The remaining elements will be any additional command line
+file being executed. The remaining elements will be any additional command-line
 arguments.
 
 For example, assuming the following script for `process-args.js`:
@@ -2398,7 +2398,7 @@ the current value of `ps`.
 When a new value is assigned, different platforms will impose different maximum
 length restrictions on the title. Usually such restrictions are quite limited.
 For instance, on Linux and macOS, `process.title` is limited to the size of the
-binary name plus the length of the command line arguments because setting the
+binary name plus the length of the command-line arguments because setting the
 `process.title` overwrites the `argv` memory of the process. Node.js v0.8
 allowed for longer process title strings by also overwriting the `environ`
 memory but that was potentially insecure and confusing in some (rather obscure)

doc/api/repl.md

@@ -224,7 +224,7 @@ Error: foo
 
 #### `await` keyword
 
-With the [`--experimental-repl-await`][] command line option specified,
+With the [`--experimental-repl-await`][] command-line option specified,
 experimental support for the `await` keyword is enabled.
 
 ```console
@@ -537,7 +537,7 @@ added: v11.10.0
   * `repl` {repl.REPLServer}
 
 Initializes a history log file for the REPL instance. When executing the
-Node.js binary and using the command line REPL, a history file is initialized
+Node.js binary and using the command-line REPL, a history file is initialized
 by default. However, this is not the case when creating a REPL
 programmatically. Use this method to initialize a history log file when working
 with REPL instances programmatically.

doc/api/synopsis.md

@@ -7,7 +7,7 @@
 
 `node [options] [V8 options] [script.js | -e "script" | - ] [arguments]`
 
-Please see the [Command Line Options][] document for more information.
+Please see the [Command-line options][] document for more information.
 
 ## Example
 An example of a [web server][] written with Node.js which responds with
@@ -86,6 +86,6 @@ Now, open any preferred web browser and visit `http://127.0.0.1:3000`.
 If the browser displays the string `Hello, World!`, that indicates
 the server is working.
 
-[Command Line Options]: cli.html#cli_command_line_options
+[Command-line options]: cli.html#cli_command_line_options
 [this guide]: https://nodejs.org/en/download/package-manager/
 [web server]: http.html

doc/api/tls.md

@@ -308,10 +308,10 @@ HIGH
 !CAMELLIA
 ```
 
-This default can be replaced entirely using the [`--tls-cipher-list`][] command
-line switch (directly, or via the [`NODE_OPTIONS`][] environment variable). For
-instance, the following makes `ECDHE-RSA-AES128-GCM-SHA256:!RC4` the default TLS
-cipher suite:
+This default can be replaced entirely using the [`--tls-cipher-list`][]
+command-line switch (directly, or via the [`NODE_OPTIONS`][] environment
+variable). For instance, the following makes `ECDHE-RSA-AES128-GCM-SHA256:!RC4`
+the default TLS cipher suite:
 
 ```bash
 node --tls-cipher-list='ECDHE-RSA-AES128-GCM-SHA256:!RC4' server.js

doc/api/util.md

@@ -217,20 +217,20 @@ fn1(); // Emits a deprecation warning with code DEP0001
 fn2(); // Does not emit a deprecation warning because it has the same code
 ```
 
-If either the `--no-deprecation` or `--no-warnings` command line flags are
+If either the `--no-deprecation` or `--no-warnings` command-line flags are
 used, or if the `process.noDeprecation` property is set to `true` *prior* to
 the first deprecation warning, the `util.deprecate()` method does nothing.
 
-If the `--trace-deprecation` or `--trace-warnings` command line flags are set,
+If the `--trace-deprecation` or `--trace-warnings` command-line flags are set,
 or the `process.traceDeprecation` property is set to `true`, a warning and a
 stack trace are printed to `stderr` the first time the deprecated function is
 called.
 
-If the `--throw-deprecation` command line flag is set, or the
+If the `--throw-deprecation` command-line flag is set, or the
 `process.throwDeprecation` property is set to `true`, then an exception will be
 thrown when the deprecated function is called.
 
-The `--throw-deprecation` command line flag and `process.throwDeprecation`
+The `--throw-deprecation` command-line flag and `process.throwDeprecation`
 property take precedence over `--trace-deprecation` and
 `process.traceDeprecation`.
 

doc/api/v8.md

@@ -21,7 +21,7 @@ added: v8.0.0
 * Returns: {integer}
 
 Returns an integer representing a "version tag" derived from the V8 version,
-command line flags and detected CPU features. This is useful for determining
+command-line flags and detected CPU features. This is useful for determining
 whether a [`vm.Script`][] `cachedData` buffer is compatible with this instance
 of V8.
 
@@ -198,7 +198,7 @@ added: v1.0.0
 * `flags` {string}
 
 The `v8.setFlagsFromString()` method can be used to programmatically set
-V8 command line flags. This method should be used with care. Changing settings
+V8 command-line flags. This method should be used with care. Changing settings
 after the VM has started may result in unpredictable behavior, including
 crashes and data loss; or it may simply do nothing.
 

doc/api/wasi.md

@@ -83,7 +83,7 @@ added:
 The `WASI` class provides the WASI system call API and additional convenience
 methods for working with WASI-based applications. Each `WASI` instance
 represents a distinct sandbox environment. For security purposes, each `WASI`
-instance must have its command line arguments, environment variables, and
+instance must have its command-line arguments, environment variables, and
 sandbox directory structure configured explicitly.
 
 ### `new WASI([options])`
@@ -95,7 +95,7 @@ added:
 
 * `options` {Object}
   * `args` {Array} An array of strings that the WebAssembly application will
-    see as command line arguments. The first argument is the virtual path to the
+    see as command-line arguments. The first argument is the virtual path to the
     WASI command itself. **Default:** `[]`.
   * `env` {Object} An object similar to `process.env` that the WebAssembly
     application will see as its environment. **Default:** `{}`.

doc/node.1

@@ -95,7 +95,7 @@ The directory where the CPU profiles generated by
 will be placed.
 The default value is controlled by the
 .Fl -diagnostic-dir .
-command line option.
+command-line option.
 .
 .It Fl -cpu-prof-interval
 The sampling interval in microseconds for the CPU profiles generated by
@@ -198,7 +198,7 @@ The directory where the heap profiles generated by
 will be placed.
 The default value is controlled by the
 .Fl -diagnostic-dir .
-command line option.
+command-line option.
 .
 .It Fl -heap-prof-interval
 The average sampling interval in bytes for the heap profiles generated by
@@ -319,7 +319,7 @@ will be generated.
 The `file` name may be an absolute path. If it is not, the default directory it will
 be written to is controlled by the
 .Fl -diagnostic-dir .
-command line option.
+command-line option.
 .
 .It Fl -report-filename
 Name of the file to which the
@@ -554,7 +554,7 @@ process warnings are silenced.
 .It Ev NODE_OPTIONS Ar options...
 A space-separated list of command-line
 .Ar options ,
-which are interpreted as if they had been specified on the command-line before the actual command (so they can be overridden).
+which are interpreted as if they had been specified on the command line before the actual command (so they can be overridden).
 Node.js will exit with an error if an option that is not allowed in the environment is used, such as
 .Fl -print
 or a script file.
@@ -580,7 +580,7 @@ Write process warnings to the given
 instead of printing to stderr.
 Equivalent to passing
 .Fl -redirect-warnings Ar file
-on command-line.
+on the command line.
 .It Ev NODE_REPL_HISTORY Ar file
 Path to the
 .Ar file