Gives information about what is being updated, downloaded, etc. Else the updater is quite silent and it's hard to tell what's going on and when it will complete.
Example with the `--verbose` flag:
```
% softwareupdate --all --install --force --verbose
Software Update Tool
Finding available software
Downloading macOS Ventura 13.0
Password:
Downloading: 65.02%
```
This feature is documented via `--help`; i.e.:
```
% softwareupdate --help
usage: softwareupdate <cmd> [<args> ...]
** Manage Updates:
-l | --list List all appropriate update labels (options: --no-scan, --product-types)
-d | --download Download Only
-i | --install Install
<label> ... specific updates
-a | --all All appropriate updates
-R | --restart Automatically restart (or shut down) if required to complete installation.
-r | --recommended Only recommended updates
--os-only Only OS updates
--safari-only Only Safari updates
--stdinpass Password to authenticate as an owner. Apple Silicon only.
--user Local username to authenticate as an owner. Apple Silicon only.
--list-full-installers List the available macOS Installers
--fetch-full-installer Install the latest recommended macOS Installer
--full-installer-version The version of macOS to install. Ex: --full-installer-version 10.15
--install-rosetta Install Rosetta 2
--background Trigger a background scan and update operation
** Other Tools:
--dump-state Log the internal state of the SU daemon to /var/log/install.log
--evaluate-products Evaluate a list of product keys specified by the --products option
--history Show the install history. By default, only displays updates installed by softwareupdate.
** Options:
--no-scan Do not scan when listing or installing updates (use available updates previously scanned)
--product-types <type> Limit a scan to a particular product type only - ignoring all others
Ex: --product-types macOS || --product-types macOS,Safari
--products A comma-separated (no spaces) list of product keys to operate on.
--force Force an operation to complete. Use with --background to trigger a background scan regardless of "Automatically check" pref
--agree-to-license Agree to the software license agreement without user interaction.
--verbose Enable verbose output
--help Print this help
```
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